SOLUTION: if you are given two sides of a triangle and the included angle, how would you find the thirs side?

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Question 252656: if you are given two sides of a triangle and the included angle, how would you find the thirs side?
Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!
By the law of cosines
`
(3rd SIDE)² = (1st SIDE)² + (2nd SIDE)² - 2*(1st SIDE)*(2nd SIDE)*cosine(INCLUDED ANGLE)
`
Edwin