Answer
$Area=51.59$
Work Step by Step
$s=\frac{a+b+c}{2}=\frac{12.32+8.46+15.9}{2}=18.34$
$Area=\sqrt {s(s-a)(s-b)(s-c)}=\sqrt {18.34(18.34-12.32)(18.34-8.46)(18.34-15.9)}=\sqrt {18.34(6.02)(9.88)(2.44)}=51.59$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 8 - 8.2 - Law of Cosines - 8.2 Exercises - Page 574: 40
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
