Question

3. What is the surface area of this composite solid? Show your work.

5 ft
5 ft
3 ft
4 ft
10 ft
8 ft

Answer 1

If I were you, I would cut the solid in half where the dashed line on the triangle height is. After that, just solve for the area of each face. Add those up together. After that, just multiply your sum by 2, since you previously split the solid in half earlier.

Hope this helps!