![]() 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. The units are in place to give an indication of the order of the results such as ft, ft 2 or ft 3. ![]() The measurements on the triangular prism are in mm therefore the total surface area of the triangular prism 144mm2 144mm2. Units: Note that units are shown for convenience but do not affect the calculations. Step 1: Create a net for the triangular prism by 'cutting' two edges of the triangular faces and unfolding. 24+24+24+32+40144 24 +24 +24+ 32+ 40 144. ![]() 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 ![]() If youre trying to find the surface area of a triangular prism, use the formula SA 2a + ph, where a is the area of the triangle, p is the perimeter, and h is the height. Triangular Prism Calculator Calculator Use To find surface area for a rectangular prism, use the formula SA 2ab + 2bc + 2ac, where a is the width, b is the height, and c is the length. ![]()
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