Answer
m$\angle$P=21$^{\circ}$
Work Step by Step
m$\angle$CED=.5(AB+CD)
82=AB+20
AB=62
m$\angle$P=.5(62-20)
m$\angle$P=21
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 6 - Review Exercises - Page 315: 23d
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