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 5 - Section 5.3 - Proving Triangles Similar - Exercises - Page 240: 9

Answer

$SAS \sim$

Work Step by Step

We are given two sets of equally proportional sides. Inbetween these two sets of sides is the same angle, $\angle D$, which is congruent to itself. Therefore these two triangles are congruent by $SAS \sim$.

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