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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