Question

What’s is the surface area of this rectangular prism?

Answer 1

220 in²

Explanation:

surface area = [area of the 4 vertical faces] + area of the base + area of top.

surface area = [2(4 X 10) + 2(5 X 10)] + (4 X 5) + (4 X 5)

= (80 + 100) + 20 + 20

= 220 in²