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 Description  
 Congruent Triangles:  Triangles that have the same size and shape.

In congruent triangles, all 3 pairs of corresponding angles have the same measure, and all 3 pairs of corresponding sides have the same measure.

We do not need to have all 6 pairs of measurements to prove that two triangles are congruent, though! Instead, we can use one of the following properties to prove the congruency: Side-Side-Side (SSS), Side-Angle-Side (SAS), or Angle-Side-Angle (ASA).