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Find the volumes of cones, and spheres.

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Presentation on theme: "Find the volumes of cones, and spheres."— Presentation transcript:

1 Find the volumes of cones, and spheres.
Main Idea/Vocabulary

2 Key Concept 2

3 Find the Volume of a Cone
Find the volume of the cone. Round to the nearest tenth. Since the diameter is 3 meters, the radius is 1.5 meters. Volume of a cone Replace r with 1.5 and h with 8. Simplify. Use a calculator. Answer: The volume is about 18.8 cubic meters. Example 3

4 Find the volume of the cone. Round to the nearest tenth.
A mm3 B mm3 C mm3 D. 1,244.1 mm3 Example 3 CYP

5 Key Concept 4

6 Find the Volume of a Sphere
Find the volume of the sphere. Round to the nearest tenth. Volume of a sphere r3 Replace r with 7. ●  ● 73 Simplify. Use a calculator. Answer: The volume of the sphere is about 1,436.8 cubic centimeters. Example 4

7 Find the volume of the sphere. Round to the nearest tenth.
A ft3 B ft3 C. 2,290.2 ft3 D. 3,053.6 ft3 Example 4 CYP

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