Answer
m$\angle$K=79$^{\circ}$
Work Step by Step
m$\angle$K=360-m$\angle$A-m$\angle$J-m$\angle$D
m$\angle$K=360-55-128-98
m$\angle$K=79$^{\circ}$
Elementary Geometry for College Students (6th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
9781285195698
ISBN 13:
978-1-28519-569-8
Chapter 5 - Section 5.2 - Similar Polygons - Exercises - Page 223: 15a
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