SOLUTION: Find the largest angle, to the nearest tenth of a degree, of a triangle whose sides are 9cm, 12 cm and 18 cm.

Question 292345: Find the largest angle, to the nearest tenth of a degree, of a triangle whose sides are 9cm, 12 cm and 18 cm.
Answer by Edwin McCravy(20065) (Show Source): You can put this solution on YOUR website!
Find the largest angle, to the nearest tenth of a degree, of a triangle whose sides are 9cm, 12 cm and 18 cm.


Use the law of cosines:











To the nearest tenth of a degree:



Edwin

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