A boat moves in the direction of a lighthouse whose windows are located 50 m apart above sea level From a window in the

Question

A boat moves in the direction of a lighthouse whose windows are located 50 m apart above sea level From a window in the lighthouse you can see at 02 45 p m the boat at an angle of 7 8 below the horizontal plane At 3 p m is the corresponding angle 42 4 How fast is the boat traveling Answer in km h

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