Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 1 - Tools of Geometry - 1-5 Exploring Angle Pairs - Got It? - Page 37: 4



Work Step by Step

Use the definition of an angle bisector: $2(m\angle JKM)=m\angle JKL$ Substitute the given values: $2(m\angle JKM)=72$ Divide each side by 2. $2(m\angle JKM)\div2=72\div2$ $m\angle JKM=36$
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