Answer
4.8
Work Step by Step
Applying the Pythagorean Theorem:
$$ x^2+14^2=\left(x+10\right)^2 \\ x^2+196=x^2+20x+100\\ -20x=-96\\ x=\frac{24}{5} \\ x=4.8$$
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 12 - Circles - 12-1 Tangent Lines - Practice and Problem-Solving Exercises - Page 767: 12
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