Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 11 - Review Exercises - Page 524: 3


Cosine ratio. $c=23.0$ in.

Work Step by Step

$\cos80^{\circ}=\frac{4}{c}$ $c=\frac{4}{\cos80^{\circ}}$ $c=23.0$ in.
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.