Elementary Geometry for College Students (5th Edition)

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

Chapter 1 - Test - Page 68: 17

Answer

x+y=90$^{\circ}$

Work Step by Step

The sum of the measures of complimentary angles is equal to 90$^{\circ}$. m$\angle$3=x m$\angle$4=y m$\angle$3+m$\angle$4=90$^{\circ}$ x+y=90$^{\circ}$
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