GEOM 3 | Lesson 1 | Practice 2

1). Consider the following two triangles:  \(ΔABD\) and \(ΔCDB\) are they congruent?

Why or why not?  Mark the congruent parts.

2.   Are ΔACD and ΔDBA congruent?  Why or why not?  Mark the congruent parts.  Remember that the opposite sides of a parallelogram are congruent and parallel.  Also recall that the alternate interior angles formed by parallel lines cut by a transversal are congruent.


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