Elementary Geometry for College Students (5th Edition)

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

Chapter 6 - Section 6.3 - Line and Segment Relationships in the Circle - Exercises - Page 308: 34

Answer

m$\angle$D=18$^{\circ}$

Work Step by Step

ABC=AC+36 AC+ABC=360 AC=360-ABC AC=360-AC-36 2AC=324 AC=162 ABC=162+36 ABC=198 m$\angle$D=.5(ABC-AC) m$\angle$D=.5(198-162) m$\angle$D=18$^{\circ}$
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