railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Heights and Distances
If the angle of elevation of the top of a tower from two points at distance a and b from the foot are complementary, the height of the tower is
1
\(\sqrt {a + b} \)
2
\(\sqrt {a - b} \)
3
\(\sqrt {ab} \)
4
\(\sqrt {\frac{a}{b}} \)