Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 11 - Section 11.4 - Applications with Acute Triangles - Exercises - Page 528: 19

Answer

y= 8.9m

Work Step by Step

Law of sines $\frac{sine 75°}{15 m}$ = $\frac{sine 35°}{y}$ $\frac{1}{y}$ = $\frac{sine 75°}{15 m}$ * $\frac{1}{sine 35°}$ y = $\frac{15 m}{sine 75°}$ * sine 35° = 8.9m
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