Question

Sam is making a metal box as part of a sculpture. She wants to know how much metal is needed to make a box with the dimensions shown. What is the surface area of the box?

A. 18 square meters
B. 6 square meters
C. 22 square meters
D. 11 square meters

Answer 1

C. 22 square meters

Explanation:

The surface area of a rectangular prism can be found from the formula ...

A = 2(LW +H(L +W))

Filling in the given values, we have ...

A = 2(2×3 +1×(2+3)) = 2(6 +5) = 22

The surface area of the box is 22 square meters.