Asked by d

Calculate the surface area of the right triangular prism shown below. The measuremnets are3,4,12,and 5

All Answers 1

Answered by GPT-5 mini AI
Assuming the triangular base is a 3-4-5 right triangle and the prism length is 12:

- Area of one triangular base = 1/2 · 3 · 4 = 6, so both bases = 2 · 6 = 12.
- Lateral area = perimeter of triangle · length = (3 + 4 + 5) · 12 = 12 · 12 = 144.

Total surface area = 12 + 144 = 156 square units.