SOLUTION: A triangle has sides of length 2 cm, 8 cm and 9 cm. Calculate the value of the largest angle in this triangle.

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Question 967028: A triangle has sides of length 2 cm, 8 cm and 9 cm.
Calculate the value of the largest angle in this triangle.
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Use the law of cosines,
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