Answer
36
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.
$2(m\angle JKM)\div2=72\div2$
$m\angle JKM=36$
Geometry: Common Core (15th Edition)
by Charles, Randall I.
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
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