1. Stand Quietly

2. Students will be able to investigate on the volume of a cone.
Lesson 8.2 Volume of a Cone
Students will be able to investigate on the volume of a cone.

3. Warm-Up #29 (11/2/16)
What is the volume of a cylinder if the height is 5 inches and the diameter of 5? Round to the nearest tenths.
Find the height of a cylinder with volume 324𝜋 cm3 and radius of 6 cm. Round to the nearest hundredths.

4. Homework (11/2/16)
Worksheet: Lesson 8.2 Volume of a Cone

5. Homework Solutions
6. 𝑎𝑏𝑜𝑢𝑡 𝑓𝑡 3 7. 𝑎𝑏𝑜𝑢𝑡 𝑚𝑚 3 8. 𝑎𝑏𝑜𝑢𝑡 12.6𝑓𝑡 3 9. 𝑎𝑏𝑜𝑢𝑡 𝑖𝑛 𝑎𝑏𝑜𝑢𝑡 𝑚 𝑎𝑏𝑜𝑢𝑡 𝑐𝑚 About 6032 gallons 13. About 5 ft 14. About 39 in 15. About 50 cm

6. Exploration What is the formula to find the volume of a cylinder?
What is the formula to find the volume of a cylinder?
After watching the video, what do you think the formula to find the volume of a cone?

7. The Cone
A Cone is a three dimensional solid with a circular base and a curved surface that gradually narrows to a vertex. + + =
Volume of a Cone =

8. Find the volume of a cylinder with a radius r=1 m and height h=2 m.
Find the volume of a cone with a radius r=1 m and height h=2 m
Volume of a Cylinder = base x height = pr2h
= 3.14(1)2(2)
About 6.28 m3
Volume of a Cone = (1/3) pr2h
= (1/3)(3.14)(1)2(2)
About 2.09 m3