Question

I didn't get a formula to figure out the surface area of a prism. Please help.

Answer 1

3*4 = 12/2 = 6

The area of 1 triangle is 6

5*6 = 30

30 is the face of one of the sides.

30 * 3 = 90

6 * 2 = 12

90 + 12 = 102

Surface Area = 102