Question

Find the surface area of the right prism.

Answer 1

196.9

Explanation:

first, the triangular sides:

3 x 8 = 24

24 / 2 = 12
12 + 12 = 24

second, the smallest rectangle:

3 x 9.1 = 27.3

third, the top:

9.1 x 8 = 72.8

fourth, the bottom, which is a repeat of the top.

finally, we add them all together

24 + 27.3 + 72.8 + 72.8 = 196.9