Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 4 - Section 4.3 - Right Triangle Trigonometry - Exercise Set - Page 561: 54


$29$ feet

Work Step by Step

The trigonometric ratios are as follows: $ \tan \theta =\dfrac{opposite}{adjacent}$ Now, we have $ \tan 40^{\circ} =\dfrac{h}{35}$ This gives: $ h= 35 \times \tan 40^{\circ}$ Therefore, we have $ h=35 \times 0.8391 \approx 29$ feet
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