   Chapter 9.3, Problem 18E ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

#### Solutions

Chapter
Section ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
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# In Exercises 15 to 20, use that fact that r 2 + h 2 = l 2 in a right circular cone (Theorem 9.3.6).Find the length of the radius r of a right circular cone in which h = 6 yd and l = 8 yd.

To determine

To calculate:

The length of the radius r of the right circular cone.

Explanation

Given:

Consider a right circular cone with diameter h=6yd and l=8yd.

Formula used:

In a right circular cone r2+h2=l2.

Calculation:

Given, h=6yd and l=8yd.

Substitute the known values in the formula,

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