Exploring Triangle Congruence

Do we really need all these pairs?
[b]QUESTION: Can we tell if two triangles are congruent without knowing all the congruent sides and angles. I[/b]n each of the scenarios below, the two triangles share some amount of congruent features. By clicking and dragging the points, see if it is possible to create [b]two NON-CONGRUENT[/b] triangles that still share those congruent features.
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Information: Exploring Triangle Congruence