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) $5.47 \mathrm { feet }$
B) $6.22$ feet
C) $10.28$ feet
D) $13.86 \mathrm { feet }$
E) $5.94$ feet