SOLUTION: In ∆ABC, if the length of sides a, b, and c are 3.5 centimeters, 5.5 centimeters, and 6 centimeters respectively, what is m C to two decimal places?
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Question 884061: In ∆ABC, if the length of sides a, b, and c are 3.5 centimeters, 5.5 centimeters, and 6 centimeters respectively, what is m C to two decimal places?
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
law of cosines:
C=arccos(13/77)=80.28 degrees
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