SOLUTION: Find the angels in a triangle with sides 4 cm, 6 cm and 7 cm. Give your answers rounded to the nearest degree.
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Question 519551: Find the angels in a triangle with sides 4 cm, 6 cm and 7 cm. Give your answers rounded to the nearest degree.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Use the Law of Cosines:
cos(C) = -3/-48 = 1/16
C =~ 86 degs
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Find a 2nd angle the same way.
Then subtract the sum of those 2 from 180 to find the 3rd angle.
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