A helicopter makes a forced landing at sea The last radio signal received at station C gives the bearing of the helicopter from

Question

A helicopter makes a forced landing at sea The last radio signal received at station C gives the bearing of the helicopter from C as N 57 0 E at an altitude of a 440 feet An observer at C sights the helicopter and gives DCB as 13 9 How far will a rescue boat at A have to travel to reach any survivors at B See the figure below Round your answer to the nearest 10ft W

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