13 A straight river flows east at a speed of 6mih A boater s

13.) A straight river flows east at a speed of 6mi/h. A boater starts at the south shore of the river and heads in a direction a° from the shore. The motorboat has a speed of 20mi/h relative to the water. The boater wants to arrive at a point on the north shore of the river directly opposite the starting point. In what direction should the boater head the oat?

Solution

Since the Width of the river is not given, so exact direction can not be calculated in no way.

so data insufficient for the given question.