From a point on the roof a house 11 metres height, it is observed that the angles of depression of the tip and foot of a lamp post are `30^@` and `60^@` respectively. Find the height of the lamp post.

From the point on the top of a palace of 60 metres height, it is observed that the angle of depression of the tip and the foot of a tower are 30^@ and 60^@ respectively. Find the height of the tower.

From the top of a cliff, 150 metres high, the angles of depression of the top and bottom of a pillar are found to be 30^@ and 60^@ respectively, find the height of the pillar.

From te top of a tower , 60 meters high, the angles of depression of the top and bottom of a pole are alpha and beta respectively .Find the height of the pole.

The length of the flag post at the roof of a three storied building is 3.6 metre. The angles of elevation of the top and foot of the post are 50^@ and 45^@ respectively from a point on the road. Find the height of the building. [Take tan 50^@ = 1.2 ]

From a point on the roof of five storied building the angle of elevation of the top of a monument and that of depression of the foot of the monument are 60^@ and 30^@ respectively. If the height of the building is 16 metres, then calculate the height of the monument and the distance of the building from the monument.

The angles of depression of the top and bottom of 8 m tall tower from a cliff are 30^@ and 45^@ respectively. Which of the following will be the height of the cliff?

From the top and bottom of a cliff the angles of depression and elevation of the top of a pillar 60ft high are observed to be 30^@ and 60^@ respectively. Find the height of the cliff.

From a point on the roof of five-storied building the angle of elevation of the top of a monument and that of angle of depression of the foot of the monument are 60^(@) and 30^(@) respectively. If the height of the building is 16 metres, calculate the height of the monument and the distance of the building from the monument.

If the angle of elevation of the top and Monument when observed from a point on the roof of a building of 16 metre height is 60^@ and the angle of depression of the foot of the Monument, when observed from the same point is 30^@ , calculate the height of the Monument and the distance from Monument to the building.