Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 3 - Section 3.3 - Isosceles Triangles - Exercises - Page 152: 29

Answer

x=12

Work Step by Step

Perimeter P= AB+BC+AC AB=AC because isosceles triangle on putting values 40= x+x+4+x 3x=36 x=12
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.