Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 3 - Section 3.2 - Corresponding Parts of Congruent Triangles - Exercises - Page 136: 1


By ASA, $\triangle CAB \cong \triangle DAB$

Work Step by Step

Angle: $\angle CAB \cong \angle DAB$ Side: Both triangles share the side $\overline{AB}$, which is between two angles which are congruent. Angle: $\angle ABC \cong \angle ABD$ Therefore, by ASA, $\triangle CAB \cong \triangle DAB$
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