Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Mathematics Trigonometry Heights and Distances
A lamp post stands on a horizontal plane. From a point situated at situated at a distance 150 m from its foot, the angle of elevation of the top is 30°. What is the height of the lamp post?
1
\(40\;\sqrt 3 \;m\)
2
\(30\;\sqrt 3 \;m\)
3
\(50\;\sqrt 3 \;m\)
4
More than one of the above
5
None of the above