Chapter 9.CR, Problem 21CR

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6th Edition

Daniel C. Alexander + 1 other

ISBN: 9781285195698

Textbook Problem

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Find the volume of the solid of revolution that results when a right triangle with legs of lengths 5 in. and 7in. is rotated about the 7in.leg. Use

To determine

**To find:**

The volume of the solid of revolution.

Explanation

**Formula used:**

Volume of right circular cone:

**Given:**

The volume of the solid of revolution. that results when a right triangle with legs of lengths 5 in. and 7 in. is rotated about the 7 in.leg. Use

**Calculation:**

The solid of revolution. that results when a right triangle as shown in the figure,

The solid of revolution that results when a right triangle, it is form a right circular cone.

So, we find the volume of the right circular cone,

The radius of the cone is

The height of the cylinder is

Substitute the values

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