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
Geometry: Common Core (15th Edition)
by Charles, Randall I.
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
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