The lateral area [L] of a right prism with base perimeter [P] and height [h] is L=Ph.
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2*area of triangular faces + perimeter of triangle*length of prism (not prisim).
okay, to find the base of a triangular prism you just b = 2a/h (base = 2 * area/height)
To find the surface area of an prism you must do the following: EXAMPLE: S.A.( SURFACE AREA) and L.A.(LATERAL AREA) S.A.=L.A. +2B S.A.=113 +2 (28) S.A.= 113 + 56 S.A.=169 IN.2( THE 2 MEANS SQUARE ROOT)
use the net to find the lateral area of the prism 3m 6m 3m 6m 15m
You find the area of the base and then find the area of one triangle. Multiply that one triangle by 4 and then add the base. The above is correct for a triangular pyramid NOT a triangilar prism. A triangular prism has two triangular ends and three rectangular faces. The rectangular faces need no be the same shape, but if they are, So Area = 2*area of triangular ends + 3*area of rectangular faces If not, you'll just have to calculate each area separately and add them.