In this activity you will determine if knowing three pairs of corresponding angles are congruent (AAA) is enough information to prove two triangles congruent.

Drag the red points in the top diagram to adjust the given angles.[br][br]Grab and drag B' in the bottom diagram to explore triangles with three pairs of congruent corresponding angles.[br][br]Are the triangles always congruent when the three pairs of corresponding angles are congruent?