SOLUTION: If a triangle has sides a = 6, b = 15, c = 12, determine angle C.
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Question 977599: If a triangle has sides a = 6, b = 15, c = 12, determine angle C.
Found 2 solutions by Fombitz, solver91311:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use the law of cosines,
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Use the Law of Cosines
\ =\ \frac{a^2\ +\ b^2\ -\ c^2}{2ab})
\right))
Just plug in the numbers and do the arithmetic.
John
My calculator said it, I believe it, that settles it
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