1. Volume of Cones
Teacher Twins©2014

2. Warm Up Find the volume. 1. 2. 3. 4. 6 cm 10 cm 8 cm 20 cm 20 cm 4 cm
6 cm
10 cm
8 cm
20 cm
20 cm
4 cm
12 cm
22 cm

4. Volume of Cones

5. That means a cone is one third of a cylinder.
It takes 3 cones to fill up a cylinder with the same radius and height.
d d = f
That means a cone is one third of a cylinder.

7. 14 ft
21 ft

8. 3 m
7 m

9. Practice. 1. 2.
22 ft
15,205.3 ft3
30 ft
25 ft
5,726.9 ft3
35 ft

10. Closure
Explain how the volume formula for a cone relates to the volume formula for a cylinder.