Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 11 - Test - Page 527: 17

Answer

$a^{2}$=$b^{2}$+$c^{2}$-2bc cos a

Work Step by Step

We have to consider the other two sides (b and c) and the opposite angle (a).
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.