Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 1 - Trigonometric Functions - Section 1.2 Angle Relationships and Similar Triangles - 1.2 Exercises: 58

Answer

108 meters

Work Step by Step

1. We need to put shadow over shadow and set it equal to actual height over actual height of the truck. $\frac{15}{180}=\frac{1}{12}=\frac{9}{t}$ 2. Then solve for t: $t=108$ 3. Don't forget the units 108 meters
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