Question

What is the surface area of the rectangular prism below?

A. 496 unites^2

B. 248 units^2

C. 980 units^2

D. 490 units^2

Answer 1

Answer: D. 490 units^2

Explanation:

7x7=49

49x2=98 units^2

14x7=98

98x2=196 units^2

14x7=98

98x2=196 units^2

196+196+98= 490 units^2

Answer 2

D

Explanation:

2·(14·7+7·7+7·14) =490