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Hinge Theorem


The hinge theorem says that if two triangles DeltaABC and DeltaA^'B^'C^' have congruent sides AB=A^'B^' and AC=A^'C^' and ∠A>∠A^', then BC>B^'C^'.


This entry contributed by Floor van Lamoen

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Cite this as:

van Lamoen, Floor. "Hinge Theorem." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/HingeTheorem.html

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