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Question

Which of the following criteria CANNOT be used to prove triangles to be congruent ?

A
SSS
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B
AAS
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C
SAS
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D
AAA
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Solution

The correct option is D AAA
We know SSS, AAS and SAS all are the criteria to decide the congruency of triangles but AAA is not the criteria as we know all equilateral triangles have equal angles but not congruent.
here both the triangles have all the corresponding angles to be equal, but are not congruent.

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