SOLUTION: Use the Law of Cosines to solve the triangle. (Round your answers to two decimal place.) a = 4, b = 5, c = 7

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Question 731635: Use the Law of Cosines to solve the triangle. (Round your answers to two decimal place.)
a = 4, b = 5, c = 7

Answer by Alan3354(69443) About Me  (Show Source):
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Use the Law of Cosines to solve the triangle. (Round your answers to two decimal place.)
a = 4, b = 5, c = 7
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c%5E2+=+a%5E2+%2B+b%5E2+-+2ab%2Acos%28C%29
Do the same to find a 2nd angle.
Then, use the fact that the 3rd angle = 180 - (the other 2)