SOLUTION: if the length of three sides are known in a triangle, how to determine the angles within that triangle. . .?

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Question 550572: if the length of three sides are known in a triangle, how to determine the angles within that triangle. . .?
Answer by mathstutor494(120) About Me  (Show Source):
You can put this solution on YOUR website!
TIP : Can be done by using COSINE and SINE rules of triangle