Answer
m$\angle$LNK=36$^{\circ}$
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
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 7 - Section 7.3 - More about Regular Polygons - Exercises - Page 344: 34
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