Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Mathematics Trigonometry Heights and Distances
At point 15 metres away from the base of a 15 metres high house, the angle of elevation of the top
1
45°
2
30°
3
60°
4
More than one of the above
5
None of the above