Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 1 - Trigonometric Functions - Section 1.2 Angle Relationships and Similar Triangles - 1.2 Exercises - Page 19: 63


112.5 ft

Work Step by Step

1. Similar triangle problems. Ratio. You need to put shadow over shadow and set it equal to actual height over actual height of the building. $\frac{40}{300}=\frac{15}{b}$ 2. Then solve for b: $40b=4500$ $b=112.5$ 3. Don't forget the units 112.5 ft
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