Teaching Bihar D.El.Ed Mock Test Series 2024-25 Quantitative Aptitude Trigonometry Heights and Distances
The shadow of building becomes 40 meter longer when the latitude of sun changes to 45° to 30° the height of building is?
1
20(√3 - 1)
2
20(√3 + 1)
3
20
4
\(\frac{{40}}{{\sqrt 3 + 1}}\)