![]() For example, if you are starting with mm and you know r and h in mm, your calculations will result with V in mm 3 and S in mm 2.īelow are the standard formulas for surface area. In the given figure, the bases of the prism are square and lateral faces are rectangular, and therefore, it is called a square prism. If the lateral faces (rectangular faces) of a square prism are not perpendicular to the square bases, then it is known as an oblique prism. The units are in place to give an indication of the order of the results such as ft, ft 2 or ft 3. Units: Note that units are shown for convenience but do not affect the calculations. What is the formula for LSA The formula to calculate LSA is the perimeter of the baseheight. TSA LSA + 2 (Base Area) 2 (l + w) h + 2 (l x w) 2. For those, the formula is Area 1/2perimeter of the baseslant height. ![]() The surface area of a prism is measured in terms of square units. Therefore, the lateral surface area (LSA) of a rectangular prism 2 ( l + w ) h square units. Online calculator to calculate the surface area of geometric solids including a capsule, cone, frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere, spherical cap, and triangular prism Surface area of a prism is the sum of the area of the 2 polygonal bases and the area of the lateral faces.
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