Find the surface area of a triangular prism that has a height of 11 meters and the following triangular base. All dimensions are in meters.

Question

asked Jan 27, 2019 232k views

2 Answers

Baltimark · Answer 1 · 2019-02-02T14:00:04+0000

Area of base = 1/2 x 4 x 3.5 = 7 m²

Perimeter of the base = 4 + 4 + 4 = 12 m

Surface area = 7 + 7 + 12 x 11 = 146 m²

Answer: 146 m²