User:KGDH/Sandbox

Law of Sines $$(a/sinA)=(b/sinB)=(c/sinC)=2r$$

Law of Cosines $$c^2=a^2+b^2-2abcosC$$ $$C=(c^2-b^2-a^2)/(-2ab)$$

Pythagorean Theorem $$c^2=a^2+b^2$$

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