Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Mathematics Trigonometry Heights and Distances
The angle of elevation of the top of a tower at any point on the ground is 30° and moving 20 meters towards the tower it becomes 60°. The height of the tower is
1
10 m
2
\(10\sqrt 3 m\)
3
\(\frac{{10}}{{\sqrt 3 }}m\)
4
More than one of the above
5
None of the above