Trigonometry (11th Edition) Clone

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

Chapter 2 - Review Exercises - Page 96: 56

Answer

about 109 miles

Work Step by Step

Begin sketching (see below): 1. Place A anywhere. At A draw a vertical north/south line. Point B is at $55^{o} $east of south. 2. At B draw a vertical north/south line. Point C is at $35^{o}$from north 3. The angle at B is made of two parts, x and y, in total $90^{o}$ 4. ABC is a right triangle, Pythagorean Theorem applies. $d=\sqrt{81^{2}+74^{2}}\approx 108.9771$ .
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