Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 8 - Right Triangles and Trigonometry - 8-4 Angles of Elevation and Depression - Practice and Problem-Solving Exercises - Page 519: 21

Answer

.65

Work Step by Step

18 is the reference angle. x is the opposite angle 2 is adjacent angle tan= opposite/ adjacent tan 18= x/2 multiply both sides by 2 2( tan 18)= x x= .65
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