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In an attempt to escape his island, Gilligan builds a raft and sets to sea. The wind shifts a great deal during the day, and he is blown along the following straight lines: 2.35 km 45.0° north of west; then 4.85 km 60.0° south of east; then 1.35 km 25.0° south of west; then 5.35 km straight east; then 1.85 km 5.00° east of north; then 7.35 km 55.0° south of west; and finally 2.85 km 10.0° north of east.

(a) What is the distance of his final postion from the island in km?

(b) What is the angle of his final position relative to the island? Give your answer in ° S of E.

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