Question

The prism represents a room that will be painted. Only the walls and ceiling will be painted.

How many faces of the prism would be used to calculate the painted surface area?

Answer 1

ceiling would be 1 side

the walls would be 4 sides

total 5 sides

Answer 2

C (5)

Explanation:

Only the walls and ceiling will be painted. So there are 4 faces on the side of the rectangular prism, and the ceiling is the face on the top. So 4 faces plus the ceiling equals 5 faces. Therefore the answer is C.