Question

José has a wedge-shaped piece of wood as shown in the diagram. José plans to paint the piece

needs.
3 in.
4 in.
5 in.
8 in.

Answer 1

E. 108 in.²

Explanation:

The piece of wood has the shape of a triangular prism.

SA = lateral area + area of the bases

SA = perimeter × height + 2 × bh/2

SA = (5 + 3 + 4) in. × 8 in. + 3 in. × 4 in.

SA = 108 in.²