Elementary Geometry for College Students (5th Edition)

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

Chapter 2 - Section 2.4 - The Angles of a Triangle - Exercises: 28

Answer

$x=8$

Work Step by Step

$m\angle 1=m\angle 3+m\angle5$ $8(x+2)=5x-3+5(x+1)-2$ $8x+16=5x-3+5x+5-2$ $2x=16$ $x=8$
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