Elementary Geometry for College Students (7th Edition) Clone

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 2 - Test - Page 134: 18

Answer

$\angle$1 + $\angle$2 = $90$ hence proved

Work Step by Step

Sum of angles of a triangle = $180^{\circ}$ $\angle$1 + $\angle$2 + $\angle$c = 180 given $\angle$c = 90 $\angle$1 + $\angle$2 + 90 = 180 $\angle$1 + $\angle$2 = $90$ hence proved
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