Question

What is the surface area of the prism

A. 812
B. 1,190
C. 2,352
D. 132

Answer 1

B. 1,190 square cm

Explanation:

For given prism:

l = 16 cm, w = 7 cm, h = 21 cm

Surface area of of the prism

`= 2 (lw + wh + hl) \\ = 2(16 * 7 + 7 * 21 + 21 * 16) \\ = 2(112 + 147 + 336) \\ = 2 * 595 \\ = 1190 \: {cm}^(2) \\`