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Mathematics 9 Online
OpenStudy (anonymous):

a civil engineer needs to measure the length of a proposed tunnel through a mountain. the engineer chooses a point that can be seen from each end of the tunnel and measures the distances to each end of the proposed tunnel to be 3,000 and 4,200 meters respectively. if the angle between the two distances is 113 degrees, what is the length of the tunnel to the nearest meter?

OpenStudy (unklerhaukus):

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