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Mathematics 21 Online
OpenStudy (anonymous):

Which of the following is not a triangle congruence postulate? Answer SAS ASA SSA HL

OpenStudy (anonymous):

HL

OpenStudy (somethingawesome):

HL means "Hypontenuse-Leg" which is true; for a right triangle, the Pythagorean theorem determines the second leg, so if the hypotenuse and one leg are the same, so is the other leg. On the other hand, SSA doesn't work. I can't think of a counterexample at the moment, but I remember learning "Don't be an retrice to remember that angle-side-side fails.

OpenStudy (anonymous):

He's correct ^

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