Questions on Algebra: Trigonometry answered by real tutors!

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Question 150077: Please help me find the solution to this problem!
If side a = 1, side b = 2, and angle C = 60 degrees, find side c.
Thank you for help, Ray!: Please help me find the solution to this problem!
If side a = 1, side b = 2, and angle C = 60 degrees, find side c.
Thank you for help, Ray!
Answer by vleith(1162) About Me  (Show Source):
You can put this solution on YOUR website!
Use the cosine rule --> http://www.acts.tinet.ie/cosinerule_673.html
IN this case use
c^2 = b^2 + a^2 - 2ab*cosC
Now just plug and play