Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 7 - Section 7.4 - The Area of a Triangle - 7.4 Problem Set - Page 396: 3

Answer

See below.

Work Step by Step

The perimeter of a triangle is the sum of the length of its sides. To get the semi-perimeter, we must divide the perimeter by $2$.
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.