Question

The surface area of this square prism is

A) 45 ft2.
B) 69 ft2.
C) 78 ft2.
D) 245 ft2.

Answer 1

C) 78 ft2

step-by-step explanation:

• (1) volume: V = a²h

• (2) surface area: S = 2a(a+2h)

(2) is the one you want to find out.

Volume= 45 ft2

Surface area= 78 ft2