1. Objective: Review. Warm up 1.

2. Cross-section: It is the intersection of a solid and a plane.

3. 2.Identify the cross-section. a. b.

4. c.

5. 3.Ramona has a cake pan shaped like half of a sphere. Describe the shape of the cross sections of cakes baked in this pan if they are cut horizontally and vertically.

6. 4.Montell and Derek are finding the surface area of a cylinder with a height 5 cm and radius 6 cm. Is either of them correct? Explain.

7. 5. A regular pyramid has a square base with 10 cm sides and a height of 12 cm. What is the total surface area of the pyramid? Round to the nearest tenth if necessary.