Answer
$163.36$ yards
Work Step by Step
Using the law of cosines $x^2=260^2+400^2-2\times 260 \times400 \times\cos 16^\circ\\ x^2=26687.43\\x=\pm \sqrt 26687.43\\x=\sqrt 26687.43\\x= 163.36$
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 13, Trigonometric Ratios and Functions - 13.6 Apply the Law of Cosines - 13.6 Exercises - Problem Solving - Page 893: 46a
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