Question

Why is AAA is not a criterion for congruence of triangle?

Answer 1

Answer:

An equilateral triangle with side 3 cm and another with 5 cm have equal angles but they are not congruent.

Answer 2

Answer:

Four shortcuts allow students to know two triangles must be congruent: SSS, SAS, ASA, and AAS. Knowing only side-side-angle (SSA) does not work because the unknown side could be located in two different places. Knowing only angle-angle-angle (AAA) does not work because it can produce similar but not congruent triangles.