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 $SAS \sim$.
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
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