lateral area of a rectangular prism calculator

The Surface Area of a prism is the sum of the areas of all its faces. Here are some cylinder related calculators: Rectangular Prism Length formula is l = (d - w - h), Volume formula is V = (d - w - h) * wh, Surface Area S = 2((d - w - h)(w + h) + wh), S = 2(6 * 4 + (10.77 - 6 - 4) (6 + 4). Let's build our equation for surface area of a rectangular box starting with our cube formula: As is your club's tradition, you will use the Permanent Records of the Club Elders to wrap the prized Cube Root Cube. Take a look! The last step is to find the lateral surface area of the cylinder using the formula below: Thus, the lateral surface of the cylinder is 10 cm * 12 cm = 120 cm 377 cm. Determine the surface area of the newly formed box. In order to compute the surface area of a rectangular prism, all we have to do is add the areas of the prisms faces. I can solve any mathematic question you give me. WebRectangular prism calculator lateral surface area - We discuss how Rectangular prism calculator lateral surface area can help students learn Algebra in this blog post. Also given are the area of a square/rectangle, triangle, Pythagorean Theorem, and circumference and area of a circle. Practice using these surface area word problems for rectangular prisms and cubes. Get Started. Lateral surface area is the overall area of a three-dimensional objects surface, excluding the bases. Divide the volume by product of given two dimensions to check the unknown side length. It is one of the basic things to learn if you are studying or interested in math. For example, a garden shaped as a rectangle with a length of 10 yards and width of 3 yards has an area of 10 x 3 = 30 square yards. The lateral area for a triangular prism is the sum of areas of its side faces (which are 3 rectangles). Want to know how the find the lateral and surface areas of a triangular prism? You can think of the lateral surface area as the total surface area of the prism minus the two triangular areas at the Surface area is [(a + b +c )(b + c - a)(c + a - b)(a + b - c)] + h(a + b + c). Also, the lateral surface area of a rectangular prism can be calculated using the formula, LSA of rectangular prism = 2(l + b)h. How to calculate the size of a rectangular prism? Step 2: Once the dimensions are in the same units, understand the need to calculate the lateral surface area or the total surface area We can calculate rectangular prisms lateral surface area (LSA) using this equation: LSA = 2 \times (l + b) \times h where: l = length, b = width, and h = height. Lesson on Finding Surface Area of a Rectangular Prism Using the Formula from www.youtube.com Determine the There are a few different ways to figure out what size you [], If you want to know how much water a certain tank can hold, you need to calculate the volume of that tank. Given height h and edge length a, the surface area can be calculated using the following equations: base SA = a 2. lateral SA = 2a (a/2)2 + h2. The entire region or area covered by all of the faces of the prism is defined as the surface area of a rectangular prism. The surface area of a rectangular prism calculator gives us the answer: A = 2 l w + 2 l h + 2 w h = 2 8 ft 6 ft + 2 8 ft 5 ft + 2 6 ft 5 ft = 236 ft. Now that you understand what is the lateral surface area of a cylinder and the calculation of the lateral surface of a cylinder, we want to help you in understanding more about the topic. It has six faces, and all the faces are rectangular-shaped. Comment on David Severin's post Any prism is given by SA We can put these quantities in the calculator above and set length = 6 ft, width = 4 ft, because were using l and w as the base edges. Example 1: Find the volume, surface area, length of a rectangular prism whose diagonal, width, and height are 10.77 cm, 6 cm, and 4 cm, respectively? How to Find the Surface Area of a Rectangular Prism? The Lateral Area of a prism is the sum of the areas of its lateral faces. WebA hexagonal prism, also called an octahedron, is a type of prism that is characterized by a hexagonal base. WebThe lateral area of a three-dimensional solid is the area of all the lateral faces. Surface Area of a Rectangular Prism Calculator Online calculators and formulas for a surface area and other geometry problems. The lateral area of a three-dimensional solid is the area of all the lateral faces. WebRectangular prism calculator lateral surface area - We discuss how Rectangular prism calculator lateral surface area can help students learn Algebra in this blog post. Work on the task that is attractive to you, how to find the period of a sine function without graphing, solving a system of two linear equations in two variables by substitution. Keywords: rectangular prism; prism; lateral area; surface area; solve; formula; rectangle; base; lateral face; area; congruent bases; WebA fast and easy surface area of a rectangular prism calculator to find just what its name suggests. You need864in2864i{n}^{2}864in2of paper, which is only six square feet! WebThe surface area of a square pyramid is comprised of the area of its square base and the area of each of its four triangular faces. WebSurface Area of Rectangular Prism Calculator . For example, we can relate the surface area of a rectangular prism with the surfaces of the objects given below: a book, cuboid-shaped aquarium, box, etc. WebThe general formulas to calculate the total surface area of a rectangular prism are one is perimeter * prism_height + base * traingle height. WebLateral Surface Area = a (a 2 + 4h 2) Base Surface Area = a 2 Total Surface Area = L + B = a 2 + a (a 2 + 4h 2 )) = a (a + (a 2 + 4h 2 )) Rectangular Prism Surface Area Volume = lwh Surface Area = 2 (lw + lh + wh) Sphere Surface Area Volume = (4/3) r 3 Surface Area = 4 r 2 Spherical Cap Surface Area Volume = (1/3) h 2 (3R - h) Cylinders work also, but C is used in the place of P and is 2 r and B = r^2, so S = 2 r H + 2 r^2 = 2 r (H + r). But that is the surface area of the entire prism, and we don't want to tile it all around. Check it out! The term congruent is often used to describe figures like this. Dooley's Calculator Rectangular Prisms Enter values for Height: Area of the Base: Volume: Here are some cylinder related calculators: The surface area of a rectangular prism calculator gives us the answer: A = 2 l w + 2 l h + 2 w h = 2 8 ft 6 ft + 2 8 ft 5 ft + 2 6 ft 5 ft = 236 ft. WebCalculate rectangular pyramid surface area step by step. Equation form: Surface Area (SA) =3 * 3 * l + 6 * l * h. Volume (V) =. Cylinders work also, but C is used in the place of P and is 2 r and B = r^2, so S = 2 r H + 2 r^2 = 2 r (H + r). Do you think you will have enough? WebThe Free Math Tutor 10.9K subscribers This video illustrates how to use the formula for Lateral Area of a Rectangular Prism. Check rectangular prism volume, width, and length. Rectangular prism perimeter is the length of the outer line of the prism. A rectangular prism has a total of six faces where the opposite faces are identical, i.e., a rectangular prism has three pairs of identical faces. How to find the lateral surface area of a cylinder? Step 2: Once the dimensions are in the same units, understand the need to calculate the lateral surface area or the total surface area Next, find the area of the two triangular faces, using the formula for the area of a triangle: 1/2 base x height. A rectangular bedroom with one wall being 15 feet long and the other being 12 feet long is simply 12 x 15 = 180 square feet. What I want to Find. You can always count on us for help, 24 hours a day, 7 days a week. If all the edges of a rectangular prism are equal, then the surface area of the prism will be equal to 6 times the area of each face. Take the length of any edge,a: This works because every dimension of a cube - width, height, and length - is the same. Base The surface at the two ends of the prism. A rectangular prisms surface area is expressed as the totalregion or area covered by all of the faces of the prism. pyramid, rectangular prism, sphere, spherical cap, and triangular prism. A rectangular prism is a three-dimensional geometric figure that has four lateral faces with two congruent and parallel bases. Example 3: Find the lateral area of the cube using the lateral area formula whose side is 7 units. Surface area is [(a + b +c )(b + c - a)(c + a - b)(a + b - c)] + h(a + b + c). The formula for calculating a rectangular prisms surface area is as follows. For example, you are constructing a pool in your backyard and need to know how many tiles you require? Reciprocal Calculator (Multiplicative Inverse Calculator), If youre looking to buy a hat, knowing your hat size is essential. The Surface Area of a prism is the sum of the areas of all its faces. This vector calculator performs all kind of operations for plane or space vectors. In the right rectangular prism, bases are perpendicular to each other whereas, in an oblique rectangular prism, the bases are not aligned one above the other. Ensure you've picked the suitable units. Lesson on Finding Surface Area of a Rectangular Prism Using the Formula from www.youtube.com Determine the All six faces meet at right angles to one another. 1 24/7 Live Expert Formula: Lateral SA rp = Ph P - the perimeter of the base rp Annulus Area WebRectangular Prism Calculator Rectangular Prism Units of Measure Area of the Base, use (, , and so on). The formula to calculate the total surface area of a rectangular prism is given as, TSA of rectangular prism = 2(lb + bh + lh), where, l is length, b is breadth and h is the height of the prism. Check out our website for a wide variety of solutions to fit your needs. With this test grade calculator, you'll quickly determine the test percentage score and grade. Apply the lateral surface formula for the cylinder: lateral surface = perimeter * height. Volume, use (, , and so on). Surface area is [(a + b +c )(b + c - a)(c + a - b)(a + b - c)] + h(a + b + c). You must know the width, length and height of the prism before you can apply this formula: In this formula we have abbreviations for width (w), length (l) and height (h), and we can simplify that by factoring out the 2: Since every face of a rectangular prism has a congruent, opposite face, you are tracking down all six faces in pairs. Check out the rectangular prism surface area, height, and width. How to Use the Surface Area of a Rectangular Prism Calculator? Surface Area of a Rectangular Prism Calculator is a free online tool that displays the rectangular prism surface area. Given height h and edge length a, the surface area can be calculated using the following equations: base SA = a 2. lateral SA = 2a (a/2)2 + h2. With this lateral surface of a cylinder calculator, we aim to help you to calculate the lateral surface area of a cylinder. WebThe surface area of a square pyramid is comprised of the area of its square base and the area of each of its four triangular faces. Here are some cylinder related calculators. A rectangular prism has a surface area and volume like other three-dimensional shapes. A rectangular prism is also called the cuboid. WebThe procedure to use the surface area of a rectangular prism calculator is as follows: Step 1: Enter the length, width and height in the input field. Note that in a right prism, the height and the slant height are the same. The calculation excludes the the top and base circles' area. A rectangular prism with all sides equal is called a cube. The SI unit is m2, where the other units can be in2, ft2, cm2, etc. Step 3: Add the areas of all six faces to determine the total surface area of the box. Lateral surface The sides of the rectangular prism connecting the two rectangles at the base, but excluding the base. We know that, surface area of rectangular prism is calculated as, S u r f a c e a r e a = 2 ( w i d t h l e n g t h) + 2 ( l e n g t h h e i g h t) = 2 ( 7 12) + 2 ( 12 3) = 168 + 72 = 240 i n 2. Example 3: Find the lateral area of the cube using the lateral area formula whose side is 7 units. It can be calculated by following the steps given below: Step 1: Determine the area of the top and bottom faces of the box. A rectangular prism has rectangular bases that are congruent to each other. Here are the steps to compute the surface area of a triangular prism: 1. To determine a prisms surface area, we must calculate the areas of each of its faces, then add the resulting areas. Add up width, height and multiply it with 2. Surface Area Given Lateral Surface Surface Area Given Height Lateral Surface. Also given are the area of a square/rectangle, triangle, Pythagorean Theorem, and circumference and area of a circle. There are different types of prisms, namely - triangular prisms, square prisms, rectangular prisms, pentagonal prisms, hexagonal prisms, etc. Finding the surface area of all rectangular prisms allows you to also find the surface area of any cube, since a cube is a type of rectangular prism. Arectangular prismis a six-faced, three-dimensional solid in which all the faces are rectangles. = 35 + 126 + 90 WebThe surface area of a rectangular prism calculator gives us the answer: A = 2 l w + 2 l h + 2 w h = 2 8 ft 6 ft + 2 8 ft 5 ft + 2 6 ft 5 ft = 236 ft. This tutorial defines the term prism and shows you how to name a prism using the shape of its bases. You need to calculate the amount of wrapping paper that will be needed to cover it. The surface area of a rectangular prism calculator gives us the answer: A = 2 l w + 2 l h + 2 w h = 2 8 ft 6 ft + 2 8 ft 5 ft + 2 6 ft 5 ft = 236 ft. Divide the subtracted value by the result from the above step to check width. If two figures have the same size and shape, then they are congruent. A rectangular prisms total surface area (TSA) is equal to: The total of all the lateral faces of a rectangular prism, i.e. Step 2: Now click the button Solve to get the rectangular prism surface area. Surface Area, use (, , and so on). Here are some cylinder related calculators: Math is a process of finding solutions to problems. Look no further than Fast Professional Tutoring! We know that, surface area of rectangular prism is calculated as, S u r f a c e a r e a = 2 ( w i d t h l e n g t h) + 2 ( l e n g t h h e i g h t) = 2 ( 7 12) + 2 ( 12 3) = 168 + 72 = 240 i n 2. Given the volume, length and width find the height, surface area, and diagonal of a rectangular prism V, l and w are known; find h, S and d h = V / lw S = 2 Other name for rectangular prism is cuboid. WebMath is Timeless. Always correct and helps with homework and lets me understand how to do the formulas if I don't understand a great calculater. Please pick an option first. Lateral surface area = 2(l + b)h square units A special type of rectangular prism is acube, in which all six faces are congruent. It has six sides, each of which is rectangular. If the pool has a rectangle shape and a flat bottom, we are dealing with a rectangular prism. Surface Area of aRectangular Prism Calculator. WebLateral surface area of Triangular Prism Calculator. Example 1: Emily needs to buy some cardboard to build a box without a lid 7 feet long, 5 feet wide, and 9 feet high. 14 h = 56 A three-dimensional shape is a rectangular prism. You can work on whatever task interests you the most. The area of the bottom and the top surfaces are equal, therefore we can simply twice the area of the top or bottom of the box. Get the rectangular prism diagonal, length, and height. Both blank and filled in Formula Sheets for Lateral Surface Area, Total Surface Area and Volume of a Prism, Cylinder, Pyramid, Cone and Sphere. But that is the surface area of the entire prism, and we don't want to tile it all around. What are the properties of a rectangular prism? BYJUS online surface area of a rectangular prism calculator tool makes the calculation faster and it displays the surface area of a. A rectangular prism is a three-dimensional shape. We can calculate rectangular prisms lateral surface area (LSA) using this equation: Please follow the steps below to calculate the surface area of a rectangular prism: Lets imagine you are tiling a swimming pool (or some kind of box) and want to know how much tile you will need. Next, find the area of the two triangular faces, using the formula for the area of a triangle: 1/2 base x height. We will also demonstrate some calculations examples to help you understand the calculation. Divide volume by product of length and width to obtain height. = 7 5 + 2 7 9 + 2 5 9 where. Solving math problems can be a fun and rewarding experience. Base The surface at the two ends of the prism. No matter what you're writing, it's important to be versatile and adapt to your audience. Both blank and filled in Formula Sheets for Lateral Surface Area, Total Surface Area and Volume of a Prism, Cylinder, Pyramid, Cone and Sphere. Lateral surface area of a rectangular prism = 2(l + b) h square units Surface Area of a Rectangular Prism Calculator How to Use? Example 3: Find the lateral area of the cube using the lateral area formula whose side is 7 units. Input the variables into the calculator and you will receive the volume and total surface of this figure. Get better grades with tutoring from top-rated private tutors. WebRectangular Prism Calculator (Cuboid) Rectangular Prism Calculator Choose a Calculation length l = width w = height h = Units Significant Figures Answer: length l = width w = height h = diagonal d = total surface area S tot = lateral surface area S lat = top surface area S top = bottom surface area S bot = volume V = Surface Area Given Lateral Surface Surface Area Given Height Lateral Surface. Again, ensure that you've picked the correct units. It is used to solve problems in a variety of fields, from engineering to economics. Though12,150cm2\mathrm{12,150}c{m}^{2}12,150cm2sounds like a lot, it is only1.215m21.215{m}^{2}1.215m2, so you have plenty of storage wrap to protect the Cube and its priceless contents of cube roots. If you want to get the best homework answers, you need to ask the right questions. Enter the width (or breadth) of the rectangle in its appropriate field. $1.50. Step 2: Now click the button Solve to get the rectangular prism surface area. Lesson on Finding Surface Area of a Rectangular Prism Using the Formula from www.youtube.com Determine the Surface area of a rectangular prism formula Finding surface area for all rectangular prisms (including cubes) involves both addition and multiplication. This surface area of a rectangle calculator is simple to use: Enter the length of the rectangle in its appropriate field. WebSo if you can find the base (it could be a triangle, rectangle, parallelogram, etc.) When you have a cube, finding the area of one face allows you to find the total surface area of the solid very quickly, since it will be six times the area of one face. The surface area of a rectangular prism quadruples when each of the dimensions is doubled. Total surface area = 2(lb + bh + lh) square units Surface area of Rectangular Prism calculator uses Surface Area = 2* (Length*Width+Length*Height+Width*Height) to calculate the Surface Area, Surface area of. WebThis pyramid calculator can help you calculate the volume, base, lateral and surface areas, height or base width & length of any right rectangular pyramid if you know the required dimensions. WebThis pyramid calculator can help you calculate the volume, base, lateral and surface areas, height or base width & length of any right rectangular pyramid if you know the required dimensions. All faces of the prism are rectangles. where, l is length. A rectangular prism in which the faces are not perpendicular to each other is called an oblique rectangular prism. Hence, the lateral surface area of a circular cylinder is the area of the cylindrical area. For its calculation, two dimensions are involved, thus we measure it in square units. A prism with rectangular bases faces is known as a rectangular prism. Surface_area = 2 base_area +. To calculate the surface area of a rectangular prism, we need to simply find the sum of the areas of the faces of the prism. WebAboutTranscript. Rectangular prism length is 8 cm, width is 6 cm, height is 4 cm, volume is 192 cm, daigonal length is 10.77 cm, and surface area is 208 cm. Dooley's Calculator Rectangular Prisms. Let's try another word problem to find the surface area of a rectangular box. Ensure you've picked the suitable units. [8] To finish our example, just add up all the blue numbers above: 12 + 12 + 15 + 15 + 20 + 20 = 94 square inches. Step 3: Finally, the surface area of a rectangular prism will be displayed in the output field. Find the surface area of a rectangular prism. Example 2: Rectangular prism length, width, and height are 82 mm, 40 mm, 25 mm. If that is the case, then this is the right place for you. The formula for calculating a, Surface Area Of A Rectangular Prism Formula Finding surface area for all rectangular prisms (including cubes) involves both addition and multiplication. The procedure to use the surface area of a rectangular prism calculator is as follows: Step 1: Enter the length, width and height in the input field, Step 2: Now click the button Solve to get the rectangular prism surface area, Step 3: Finally, the surface area of a rectangular prism will be displayed in the output field. Again, ensure that you've picked the correct units. How much cardboard should she buy? Try this helium balloons calculator! Finds the total area contained by the three rectangular sides of the prism. FAQs on Surface Area of a Rectangular Prism. Go beyond memorizing formulas and understand the why behind them. Hence, we obtain surface area 4 times the original one in this case. Surface Area of a Rectangular Prism Calculator Example, Surface Area of a Rectangular Prism Calculator. WebSurface Area of a Rectangular Prism Calculator with steps. This is because all 3D object will have a surface. 2lb = 2 (24 15) = 2 360 = 720 inch2. Get the square of diagonal, length, and width. 3 * 3 * l * h. 2. WebThe surface area of a square pyramid is comprised of the area of its square base and the area of each of its four triangular faces. Lateral surface area = perimeter height L.S.A = 2 ( l + b ) h Here, l = length, b = breadth, h = height You can use Cuemath's Online Surface Area of a Rectangular Prism Calculator to find the surface area of a rectangular prism. w is width. Surface Area of a Rectangular Prism Calculator How to Use? PDF. The Lateral Area of a prism is the sum of the areas of its lateral faces. WebThe procedure to use the surface area of a rectangular prism calculator is as follows: Step 1: Enter the length, width and height in the input field. You can simply calculate the missing side of a rectangular prism when you have volume, other 2 sides dimensions. What is the lateral surface area of a cylinder? A rectangular prism can be classified as a right rectangular prism or an oblique rectangular prism. And that is basically what we should do right now: set h = 5 ft, which is the pools depth or the prisms height. This prism is also known as a cuboid (cube). WebA hexagonal prism, also called an octahedron, is a type of prism that is characterized by a hexagonal base. Lesson on Finding Surface Area of a Rectangular Prism Using the Formula from www.youtube.com. Please follow the steps below to calculate the surface area of a rectangular prism: Lateral surface area = perimeter height L.S.A = 2 ( l + b ) h Here, l = length, b = breadth, h = height You can use Cuemath's Online Surface Area of a Rectangular Prism Calculator to find the surface area of a rectangular prism. Enter values for: Length: Width: Height: Area of the Base: Volume: Perimeter of the Base: Lateral Area: Surface, How to tell if two vectors are perpendicular. What I want to Find. The dimensions of the box are as follows: To find the area of cardboard required, we need to find the total area of the open box. Required fields are marked *, Surface Area Of A Rectangular Prism Calculator, Surface Area of a Rectangular Prism Calculator is a free online tool that displays the rectangular prism surface area. WebA fast and easy surface area of a rectangular prism calculator to find just what its name suggests. WebThe general formulas to calculate the total surface area of a rectangular prism are one is perimeter * prism_height + base * traingle height. The lateral surface area of a rectangular prism = 2h(l + w) square units. Apply square root to the output to know the width. This surface area of a rectangle calculator is simple to use: Enter the length of the rectangle in its appropriate field. Surface Area of a Rectangular Prism Calculator Online calculators and formulas for a surface area and other geometry problems. To obtain the surface area for different lengths, breadths, and heights of the rectangular prism, click the Reset button. Rectangular prism length is 82 mm, width is 40 mm, height is 25 mm, volume is 82,000 mm, daigonal length is 94.59 mm, and surface area is 12660 mm. For example, a garden shaped as a rectangle with a length of 10 yards and width of 3 yards has an area of 10 x 3 = 30 square yards. [insert cartoon of fancy box labeled Cube Root Cube]. Step 2: Once the dimensions are in the same units, understand the need to calculate the lateral surface area or the total surface area Our tutors are experts in their field and can help you with whatever you need. The total of all the lateral faces of a rectangular prism, i.e. You must know the width, length and height of the prism before you can apply, Rectangular Prism Units of Measure Area of the Base, use (, , and so on). The Lateral Area of a prism is the sum of the areas of its lateral faces. i.e., it is the total surface area minus the areas of the two bases.It is also known as the lateral surface area (LSA). WebThe general formulas to calculate the total surface area of a rectangular prism are one is perimeter * prism_height + base * traingle height. WebRectangular Prism Calculator (Cuboid) Rectangular Prism Calculator Choose a Calculation length l = width w = height h = Units Significant Figures Answer: length l = width w = height h = diagonal d = total surface area S tot = lateral surface area S lat = top surface area S top = bottom surface area S bot = volume V = Apply the lateral surface formula for the cylinder: lateral surface = perimeter * height The last step is to find the lateral surface area of the cylinder using the formula below: lateral surface = perimeter * h Thus, the lateral surface of the cylinder is 10 cm * 12 cm = 120 cm 377 cm. Calculate the unknown defining side lengths, circumferences. Answer: Emily should buy 251 inch2 of cardboard. While here, check out some of our calculators, if you need some help in your everyday life or with your math homework, such as: Cube Calculator, Volume Calculator, Quotient Calculator, Square Root Calculator, and so much more we share in our database. The total of all the lateral faces of a rectangular prism, i.e. What I want to Find. Calculate the prism surface area, volume, and diagonal length? Surface Area of Rectangular Prism Worksheets, Surface Area of a Rectangular Prism Formula. The total surface area of a rectangular prism refers to the area of all six faces, while the lateral surface area covers the area of only the lateral faces and thus doesn't include the base areas. WebRectangular Prism Calculator Rectangular Prism Units of Measure Area of the Base, use (, , and so on). Take a look! Calculate the perimeter of the base circle. 3 * 3 * l * h. 2. Solution: To find: lateral area of a cube Given that: side of a cube = 7 units Using lateral area formula of cube = 4a 2 A rectangular bedroom with one wall being 15 feet long and the other being 12 feet long is simply 12 x 15 = 180 square feet. Input the variables into the calculator and you will receive the volume and total surface of this figure. To calculate the surface area of a rectangular prism, click the Calculate button. The height of the cylinder, h, is 12 cm in our example. Observe the length, height, and width of a rectangular prism. We can calculate rectangular prisms lateral surface area (LSA) using this equation: LSA = 2 \times (l + b) \times h where: l = length, b = width, and h = height. Free time to spend with your family and friends. In this tutorial, you'll see how to use the dimensions of a rectangular prism to find the lateral area. A rectangular prism has a total of six faces where the opposite faces are identical, i.e., a rectangular prism has three pairs of identical faces. Also given are the area of a square/rectangle, triangle, Pythagorean Theorem, and circumference and area of a circle. But that is the surface area of the entire prism, and we don't want to tile it all around. h = 56/14 = 4 ft. A rectangular bedroom with one wall being 15 feet long and the other being 12 feet long is simply 12 x 15 = 180 square feet. WebSo if you can find the base (it could be a triangle, rectangle, parallelogram, etc.) Step 3: Finally, the surface area of a rectangular prism will be displayed in the output field. Also, the lateral surface area of a rectangular prism can be calculated using the formula, LSA of rectangular prism = 2(l + b)h. How to calculate the size of a rectangular prism? All you have to do is enter the known parameters in the below sections and press the calculate button to generate the exact output. Surface area = 76 ft2, Using the surface area of a rectangular prism formula, w is width. Work first; then peek. Surface Area of Rectangular Prism Formula: Space Diagonal of Rectangular Prism Formula: If the surface area, length, and width of rectangular prism are given, then, If the length, volume, and width of rectangular prism are given, then, If diagonal length, length, width of a rectangular prism are given, then, If volume, width, and height of a prism are known, then, If diagonal length, width, height of a rectangular prism are given, then, If the surface area, width, height of a prism are given, then, Diagonal d = ([(S - 2wh) / (2w + 2h)] + w + h), If the rectangular prism height, length, diagonal are given, then, Surface Area S = 2(lh + (l +h) * ((d - h - l))), If the rectangular prism volume, height, width are known, then, Diagonal length d = (l + (V / lh) + h), Total Surface Area S = 2(lh + (l + h) * (V / lh)), If the rectangular prism total surface area, length, height are given, then, Diagonal d = (((S - 2lh) / (2l + 2h)) + l + h).