Question

Two cargo ships are siling a direct course into harbor. Ship A is 22 miles from harbor. Ship B is sailing into harbor on a course perpendicular to that of ship A. If the angle between them is 47 degrees, how far is ship B from the harbor? Round the answer to the nearest tenth.
Let the harbour be point H.
Is your 47 deg <HAB or <HBA? It makes a difference.
so do you know the answer ?

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