Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Heights and Distances
An aeroplane is flying at 1 PM with height of 20 m from a point on the ground. Determine the angle of elevation of aeroplane from other point 20√3 m away from the point exact below of the aero plane on the ground.
1
30°
2
60°
3
90°
4
More than one of the above
5
None of the above