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Question

By which of the following criterion two triangles cannot be proved congruent?

A
RHS
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B
ASA
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C
AAA
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D
SSS
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Solution

The correct option is C AAA
There are only four criteria to prove triangles are congruent: SSS, SAS, ASA, and RHS.
There is no way to prove triangles are congruent by AAA criteria. Because by AAA criteria we can produce similar triangles but not congruence triangles.
Similar triangles can have eqaul angles but length of sides will not be equal.

Option (c) is the correct answer.

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