Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 4 - Congruent Triangles - 4-4 Using Corresponding Parts of Congruent Triangles - Lesson Check - Page 246: 1

Answer

SAS; corresponding parts of triangles are congruent.

Work Step by Step

We see that the triangles have one pair of sides and one pair of angles marked as congruent. Because they share a common side, that side is congruent as well. Thus, they are congruent by SAS. Because corresponding parts of congruent triangles are congruent, we know that segment EA is also congruent to segment MA.
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