Answer
See below
Work Step by Step
We have $x^2+y^2=r^2$
Find the value of $x$ when $y=7.5$: $$x^2+(7.5)^2=6^2\\x^2=15.75\\x=\pm 3.97$$
The distance from one side to the other is $d=3.97 \times 2=794$ feet.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 9 Quadratic Relations and Conic Sections - 9.3 Graph and Write Equations of Circles - 9.3 Exercises - Problem Solving - Page 631: 6
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