Which of the following is NOT a criterion for congruence of triangles?

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A SAS
B ASA
C SSA
D SSS

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Answer: C. SSA

Explanation: SSA (or ASS) is not a valid congruence criterion because it doesn't guarantee that the triangles will be identical in shape and size. Only SAS (where the angle is between the sides) works.

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Which of the following is NOT a criterion for congruence of triangles?

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