1 Answer

Jacob Ritchie · Answer 1 · 2021-06-06T18:59:47+0000

Answer:

$LA=162\ in^2$

Explanation:

we know that

The lateral surface area of the triangular prism of the figure is equal to

LA=Ph

where

P is the perimeter of the triangular base

h is the height of the prism

Find the perimeter of the base P

$P=8+7+12=27\ in$

we have

$h=6\ in$

substitute in the formula of lateral area

$LA=27(6)=162\ in^2$

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