SOLUTION: The three sides of a triangle measure 15, 17 and 18. Find the measure of the largest angle, to the nearest degree.

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Question 740483: The three sides of a triangle measure 15, 17 and 18. Find the measure of the largest angle, to the nearest degree.
Answer by Alan3354(69443) About Me  (Show Source):
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The three sides of a triangle measure 15, 17 and 18. Find the measure of the largest angle, to the nearest degree.
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The largest angle is opposite the longest side.
Use the Cosine Law.