A woman at a point A on the shore of a circular lake with radius 4mi wants to arrive at the point C diametrically opposite on the other side of the lake in the shortest possible time. She can walk at the rate of 6 mi/h and row a boat at 2 mi/h. How should she proceed? (Find ). Round the result, if necessary, to the nearest hundredth.

Question

a. 0.62 radians

b. 0.44 radians

c. 0.46 radians

d. She should walk around the lake from point A to point C.

e. She should row from point A to point C radians

Answer 1

d. She should walk around the lake from point A to point C.