Mathematics, 03.02.2020 07:54 ebzloera

Asurveyor wants to know the length of a tunnel built through a mountain. according to his equipment, he is
located 54
meters from one entrance of the tunnel, at an angle of 56
to the perpendicular. also according to his equipment, he is 31

meters from the other entrance of the tunnel, at an angle of 13
to the perpendicular. based on these measurements, find the length of the entire tunnel.
do not round any intermediate computations. round your answer to the nearest tenth.

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