Answer
m$\angle$D=122$^{\circ}$
m$\angle$B=55$^{\circ}$
Work Step by Step
m$\angle$A+m$\angle$D=180
m$\angle$D=180-58
m$\angle$D=122$^{\circ}$
m$\angle$B+m$\angle$C=180
m$\angle$B+125=180
m$\angle$B=180-125
m$\angle$B=55$^{\circ}$
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 4 - Section 4.4 - The Trapezoid - Exercises - Page 200: 1
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