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 - Page 20: 72c

Answer

EF = BD = 1

Work Step by Step

Since the sides correspond, it can be assumed that BD is equal to 1 of EF.
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