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.

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 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 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.

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?

Two pillars of equal heights are on the either side of a road, which is 150 metre wide. The angles of elevation of the top of the pillars are 60^@ and 30^@ respectively at a point on the road between the pillars. Find the height of each pillar.

From the tower 60 m high angles of depression of the top and bottom of a house are alphan and beta respectively. If the height of the house be h. then prove that h = (60sin(beta - alpha))/(cos alpha sinbeta)

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.