Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 7 - Section 7.3 - More about Regular Polygons - Exercises - Page 333: 32



Work Step by Step

m$\angle$KNJ=.5(180-108) m$\angle$KNJ=.5(72)=36 m$\angle$LNM=m$\angle$KNJ=36 m$\angle$LNK=108-m$\angle$KNJ-m$\angle$LNM m$\angle$LNK=108-36-36 m$\angle$LNK=36
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