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 18: 55


$a=6; b=7.5$

Work Step by Step

1. Because we have isosceles triangles, here, so it is easy to see that a=6 2. Make following three equivalent ratios $\frac{6}{12} =\frac{1}{2} =\frac{b}{15}$ 3.Then find the side b $\frac{1}{2} =\frac{b}{15}$ $2b=15$ $b=7.5$
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