A Straight Road Makes an Angle $A$ , Of $20 ^ { \circ }$

Multiple Choice

A straight road makes an angle, $A$ , of $20 ^ { \circ }$ with the horizontal. When the angle of elevation, $B$ , of the sun is $60 ^ { \circ }$ , a vertical pole beside the road casts a shadow 8 feet long parallel to the road. Approximate the length of the pole. Round answer to two decimal places.

A) 5.47 feet
B) 6.22 feet
C) 10.28 feet
D) 13.86 feet
E) 5.94 feet