   Chapter 9.3, Problem 15E Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Solutions

Chapter
Section Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

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 slant height l of a right circular cone with r = 4 cm and h = 6 cm.

To determine

To calculate:

The length of the slant height l of a right circular cone.

Explanation

Given:

Consider a right circular cone with r=4 cm and h=6 cm.

Formula used:

In a right circular cone r2+h2=l2.

Calculation:

We have r=4 cm and h=6 cm.

Substitute the known values in the formula,

r2+h2=l242+

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