Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 13, Trigonometric Ratios and Functions - 13.1 Use Trigonometry with Right Triangles - 13.1 Exercises - Skill Practice - Page 856: 19


See below.

Work Step by Step

$\tan{30^\circ}=\frac{x}{12}$, thus $x=12\tan{30^\circ}=4\sqrt{3}$ $\cos{30^\circ}=\frac{12}{y}$, thus $y=\frac{12}{\cos{30^\circ}}=8\sqrt3$
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