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: 53

Answer

$a=6; b=7.5$

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 $\frac{1}{2} =\frac{b}{15}$ $2b=15$ $b=7.5$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.