Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 10 - Geometry - 10.1 Points, Lines, Planes, and Angles - Exercise Set 10.1: 9

Answer

$m\angle{CAH}=180^o$ The angle is straight.

Work Step by Step

point C is at $0^o$ point H is at $180^o$ Thus, $m\angle{CAH} =180^o-0^o=180^o$ Thus, $\angle{CAH}$ is straight.
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