AAA Theorem

AAATheorem

Specifying three angles , , and does not uniquely define a triangle, but any two triangles with the same angles are similar. Specifying two angles of a triangle automatically gives the third since the sum of angles in a triangle sums to ( radians), i.e.,

See also

AAS Theorem, ASA Theorem, ASS Theorem, SAS Theorem, SSS Theorem, Triangle

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Cite this as:

Weisstein, Eric W. "AAA Theorem." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/AAATheorem.html

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