SOLUTION: To the nearest degree, what is the measure of the largest angle in a triangle with sides measuring 9, 13, 17 centimeters

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Question 882821: To the nearest degree, what is the measure of the largest angle in a triangle with sides measuring 9, 13, 17 centimeters
Answer by Alan3354(69443) About Me  (Show Source):
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To the nearest degree, what is the measure of the largest angle in a triangle with sides measuring 9, 13, 17 centimeters
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The largest angle is opposite the longest side.
Use the cosine law.
c%5E2+=+a%5E2+%2B+b%5E2+-+2ab%2Acos%28C%29 (c = 17)