SOLUTION: Please help with this word problem: To measure the distance through a mountain for a proposed tunnel, if AC = 3800m , BC = 2900m, and The angleC = 110 degrees, find the length of t

Question 870547: Please help with this word problem: To measure the distance through a mountain for a proposed tunnel, if AC = 3800m , BC = 2900m, and The angleC = 110 degrees, find the length of the tunnel.
Answer by ben720(159) (Show Source): You can put this solution on YOUR website!
Here, you want to use the law of cosines.

Use a calculator.

AB is about 6698.3893

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