Question

Find the surface area of a textbook that is 2 in. × 14 in. × 9 in.
(1 point)
Responses

252 in.2

252 in. squared

50 in.2

50 in. squared

344 in.2

344 in. squared

172 in.2

Answer 1

Surface area = 2(lw + lh + wh) with l=14, w=9, h=2.
lw = 126, lh = 28, wh = 18 → sum = 172.
Surface area = 2(172) = 344 in².

Answer: 344 in.²