Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 11 - Section 11.4 - Applications with Acute Triangles - Exercises - Page 520: 22


x = 6.6ft

Work Step by Step

As we know the sum of all the angles of a triangle are 180° 65°+70°+α = 180° α=180° - (65° +70°) α=180° -135° α=45° Using theorem 11.4.2 Law of sines: $\frac{sine 45°}{5 ft}$ = $\frac{sine 70°}{x}$ x = $\frac{sine 70°}{sine 45°}$ *5 x = 6.6ft
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.