Answer
m$\angle$2=137$^{\circ}$
Work Step by Step
m$\angle$2=180$^{\circ}$-m$\angle$1
m$\angle$2=180$^{\circ}$-43$^{\circ}$
m$\angle$2=137$^{\circ}$
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 1 - Test - Page 68: 14a
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