Question

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.

Answer 1

160 meters squared

Answer 2

The base is a triangle with a 4-meter base and a 3.5-meter height. You need the area of that triangle.
Each of the triangles on the side has a base of 4 meters and a height that has to be calculated.

Then take three times the area of this triangle.

Answer 3

Thank you both so much! :)