## Elementary Geometry for College Students (7th Edition) Clone

Published by Cengage

# Chapter 7 - Section 7.2 - Concurrence of Lines - Exercises - Page 336: 43

3

#### Work Step by Step

First, we find the altitude: $h = \sqrt{10^2 - 6^2} = \sqrt{64} = 8$ We know that the point where the radius is represents 1/3 of the height. Thus: $r = 8 \times (1/3) = 2.67 \approx 3$

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