Mathematics
A flagstaff of height of the height of a tower is mounted on the top of the tower. If the angle of elevation of the top of the flagstaff as seen from the ground is 45° and the angle of elevation of the top of the tower as seen from the same place is θ, then the value of tan θ is: 1. 2. 3. 4.
Related Questions
An observer standing 72 m away from a building notices that the angles of elevation of the top and the bottom of a flagstaff on the building are respectively 60° and 45°. The height of the flagstaff is:
52.7 m
73.2 m
98.3 m
124.7 m
Two poles of equal heights are standing opposite to each other on either side of a road, which is 30 m wide. From a point between them on the road, the angles of elevation of the tops are 30° and 60°. The height of each pole is:
4.33 m
6.5 m
13 m
15 m