Question

Surface area triangle prism 3in ,3in ,3in 2.6 in, 7 in

Answer 1

The answer is 70.8

Explanation:

You do 7x3 times 2 and then 3x2.6 and then 7x3 again. You add them all up and get 70.8

21 + 21 + 3.9 + 3.9 + 21 = 70.8