Answer
$128^{\circ}$
Work Step by Step
If $ABCD$ is congruent to $EFGH$, then $m \angle EFG$ is congruent to $m \angle ABC$.
If $m \angle ABC$ is $128^{\circ}$, then $m \angle EFG$ is also $128^{\circ}$.
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 4 - Congruent Triangles - 4-1 Congruent Figures - Practice and Problem-Solving Exercises - Page 222: 29
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