TS ICET 27 May 2023 Shift 2 Solved Paper

From a distance of $60\mathrm{m}$ on the level ground, the angle of elevation of the top of a building is ${45}^{\circ }$ and the angle of elevation of the top of a flagstaff which is situated on the top of the building is ${60}^{\circ }$, then the length of the flagstaff, in meters, is