Question

What is the surface area of the triangular prism?

Answer 1

135 ft²

Explanation:

surface area = bh + L(s1 + s2 + s3)

where b = 2.5 ft.

h = 6 ft.

s1 = 6.5 ft.

s2 = 6 ft.

s3 = 2.5 ft.

L = 8 ft.

plugin values into the formula:

A = 2.5*6 + 8(6.5 + 6 + 2.5)

= 15 + 8(15)

= 135 ft²