# Integration and the Disk Method : Verifying the Formulas for Volumes of a Cone and a Sphere

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Please explain how to solve the following:

1. Use the disk method to verify that the volume of a right circular cone is 1/3pir^2h.

2. Use the disk method to verify that the volume of a sphere is 4/3pir^3.

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#### Solution Summary

Formulas for volumes of a cone and a sphere are verified using the disk method. The solution is detailed and well presented. The solution includes diagrams.

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