1. 12.6 Surface Area and Volume of a Sphere
Great Circle
Hemisphere

2. Definition of a Sphere
A set of a points an equal distance from one point in three dimensional space.
The radius of the sphere (r) is from the center to edge of the sphere.

3. Theorem: Surface Area of a Sphere
Let r = 8

4. Theorem: Surface Area of a Sphere
Let r = 8

5. What is the Great Circle?
It is the largest circle that can be made by a cross section

6. What is a hemisphere?
A hemisphere is half the sphere

7. Theorem Volume of a Sphere
equals four-third time radius cubed times pi.

8. Theorem Volume of a Sphere
equals four-third time radius cubed times pi.

9. Homework
Page
# 10 – 18,
20 – 22,
27-30,
33, 35