Two pillars A and B of the same height are on opposite sides of a road which is 40 m wide. The angles of elevation of the tops of the pillars A and B are 30° and 45°, respectively, at a point on the road between the pillars. What is the distance (in m) of the point from the foot of pillar A?
1
\(40(\sqrt{3} -1)\)
2
\(20(2-\sqrt{3} )\)
3
\(20(3-\sqrt{3} )\)
4
More than one of the above
5
None of the above