Question

Find the surface area of the prism or pyramid. Round to the nearest hundredth if necessary.

Answer 1

Answer: 147.35

Explanation:

SA=1 base tri. + 3 lateral faces

SA=bh/2 + 3(bh/2)

SA=(7)(6.1)/2 + 3(7)(12)/2

SA=42.7/2 + 252/2

SA=21.35 + 126

SA=147.35

Answer 2

I don't know how to do this but maybe photo math can help