Posted by **anonymous** on Wednesday, July 21, 2010 at 4:24pm.

A coast guard patrol boat is 14.8 km east of the Brier Island Lighthouse. A disabled yacht is 7.5km south of the lighthouse.

a) How far is the patrol boat from the yacht, to the nearest tenth of a kilometer?

b) At what angle south of due west, to the nearest degree, should the patrol boat travel to reach the yacht?

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