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Swimming at 1.00 m/s relative to still water, a swimmer heads directly across a river of...

Swimming at 1.00 m/s relative to still water, a swimmer heads directly across a river of width 95 m. He arrives 35.0 m downstream from the point directly across the river from his starting point.
(a) What is the speed of the current in the river?m/s

(b) At what angle relative to the line perpendicular to the shore should he head to arrive at a point directly opposite his starting point? °

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