Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 8 - 8.6 - Trigonometric Form of a Complex Number - Review Exercises - Page 616: 36



Work Step by Step

$s=\frac{a+b+c}{2}=\frac{\frac{4}{5}+\frac{3}{4}+\frac{5}{8}}{2}=\frac{87}{80}$ $Area=\sqrt {s(s-a)(s-b)(s-c)}=\sqrt {\frac{87}{80}(\frac{87}{80}-\frac{4}{5})(\frac{87}{80}-\frac{3}{4})(\frac{87}{80}-\frac{5}{8})}=0.221$
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.