Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 3 - Review Exercises - Page 166: 24


$\triangle$ABC is an isosceles triangle.

Work Step by Step

AB+BC+CA=40 10+x+6+2x-3=40 3x+13=40 3x=27 x=9 BC=x+6 BC=9+6 BC=15 CA=2x-3 CA=2(9)-3 CA=18-3 CA=15 BC=CA
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