What is the surface area of a triangular prism?

The surface area is

Step-by-step explanation:

we know that

The surface area of the triangular prism is equal to

where

B is the area of the triangular base

P is the perimeter of the triangular base

L is the length of the prism

Find the area of the base B

Find the perimeter of the base P

we have

substitute in the formula

d is the answer

step-by-step explanation: