1. Sphere

2. http://www.youtube.com/watch?v=cAxHYFRx 1Fs http://www.youtube.com/watch?v=cAxHYFRx 1Fs

3. Spheres: SA = 4  r 2 a hemisphere splits a sphere exactly in half The top part of a hemisphere is called a great circle. The top part of a hemisphere is called a great circle.

4. Example 1) Find the surface area of the sphere given the area of the great circle is 201.1 in 2.

5. Example 3) Find the surface area of the hemisphere.

6. SolidFormula Volume of a Sphere V = (4/3)  r 3

7. http://www.youtube.com/watch?v=xuPl_8o_j 7k http://www.youtube.com/watch?v=xuPl_8o_j 7k

8. 4)A sphere has a diameter of 5”. Find its volume. Find its volume. Example

10. What was the inverse of squaring something?

11. Similarly, what do you think the inverse of cubing something (raising something to the 3rd power) will be?