mirandapaige8684 mirandapaige8684

03-03-2018
Mathematics

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How to find side of triangle if two sides and one angle is known?

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sqdancefan sqdancefan

08-03-2018

The Law of Cosines can be used.

If the given angle is opposite one of the given sides, the Law of Sines can be used.

Law of Cosines:
.. c^2 = a^2 +b^2 -2ab*cos(C) . . . . . for any permutation of sides a, b, c, and opposite angle C

Law of Sines:
.. a/sin(A) = b/sin(B) = c/sin(C)

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