Posted by Anna on Saturday, January 15, 2011 at 3:54pm.
Explain why you cannot use AAA to prove two triangles congruent.

Geometry  Damon, Saturday, January 15, 2011 at 8:29pm
look at two equilateral triangles
sides of first are 1,1,1
sides of second are 2,2,2
All angles are 60 degrees, but the triangles are not congruent because the sides are not congruent.
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