1. Find the surface area of the prism.
2. Find the surface area of the cube. Simplify your answer.
3. Think About the Process
a. Which formula can you use to find the area of one triangular face?
A. A = b − h
B. eh equals , 1 half , b h
C. A = bh
D. eh equals , 1 third , b h
b. The surface area of the prism is square units.
4. Gift Wrapping A gift box has the shape of a rectangular prism. How much wrapping paper do you need to cover the box?
5. Think About the Process
a. Which equation could you use to help you find the surface area?
A. Surface area = 63 + 36 + 28
B. Surface area = 2(63 + 36 + 28)
C. Surface area = 2(63) + 36 + 28
b. The surface area of the prism is square units.
6. The triangular faces of the prism shown are equilateral triangles with perimeter 24 cm. Use a net to find the surface area of the prism.
7. Writing A patio is made up of stones shaped like the figure.
a. Find the surface area of one stone.
b. How does a net help you find the surface area?