12. At noon, two search planes set out from San Francisco to find a downed plane in the ocean. Plane A travels due west at 400 miles per hour and plane B travels northwest at 500 miles per hour. At 2pm plané A spots the survivors of the downed plane and radios plane B to come and assist in the rescue. How far is plane B from Plane A and what direction does it need to fly to reach plane A?​