What is the surface area of the triangular prism?

216

Step-by-step explanation:

First find the base area

0.25 * √[(5 + 6 + 5) * (-5 + 6 + 5) * (5 - 6 + 5) * (5 + 6 - 5)] = 12

Equation:

12 * (5 + 6 + 5) + (2 * 12) = 216

step-by-step explanation:

first one is a: renaming a fraction. second one is c: de-c

step-by-step explanation:

my explanation is that these were the answers on edg : )