Which of the following is not a test of similarity?

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KollegeApply · Accepted Answer

SAA Explanation: (A) AAA (Angle-Angle-Angle): Valid similarity test. If all three corresponding angles are equal, the triangles are similar. (B) SAS (Side-Angle-Side): Valid similarity test. If two corresponding sides are proportional and their included angles are equal, the triangles are similar. (C) SAA (Side-Angle-Angle): Not a similarity test. This is typically used as a congruence criterion (AAS) rather than a similarity test. (D) SSS (Side-Side-Side): Valid similarity test. If all three corresponding sides are proportional, the triangles are similar.

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