Two poles are 10 m and 20 m high. The line joining their tips makes an angle of 15° with the horizontal. What is the distance between the poles?
1
\(10 \left( \sqrt 3 - 1 \right) m\)
2
\(5 \left(4 + 2 \sqrt 3\right) m\)
3
\(20 \left( \sqrt 3 + 1 \right) m\)
4
More than one of the above
5
None of the above