From a point P on the ground, the angles of elevation of the top of a 10 m tall building and a helicopter, at some height vertically over the top the building are `30^@` and `60^@` respectively. Find the height of the helicopter above the ground.

From a point A on the ground , the angles of elevation of the top of a 10 m tall building and a helicopter hovering at some height of the building are 30^(@) and 60^(@) respectively. Find the height of the helicopter above the building

From a point on the ground the angles of elevation of the bottom and top of a transmission tower fixed at the top of 20m high building are 450 and 60 respectively. Find the height of the transmission tower.

From a point P on the ground the angle of elevation of the top of a 10 m tall building is 30o . A flag is hoisted at the top of the building and the angle of elevation of the top of the flagstaff from P is 45o . Find the length of the flagstaff

The angles of elevation of the top of a tower 72 metre high from the top and bottom of a building are 30^(@) and 60^(@) respectively. What is the height (in meters) of building ?

The two palm trees are of equal heights and are standing opposite each other on either side of the river, which is 80 m wide. From a point O between them on the river the angles of elevation of the top of the trees are 60^(@) and 30^(@) , respectively. Find the height of the trees and the distances of the point O from the trees. OR The angles of depression of the top and bottom of a building 50 meters high as observed from the top of a tower are 30^(@) and 60^(@) respectively. Find the height of the tower, and also the horizontal distance between the building and the tower.

The angle of depressions of the top and bottom of 10m tall building from the top of a multistoried building are , 30^(@) and 60^(@) respectively,find the height of the multistoried building and the distance between the two buildings.

From a point P on the ground the angle of elevation of the top of a 10 m tall building is 30^(@) . A flag is hoisted at the top of the building and the angle of elevation of the top of the flagstaff from P is 45^(@) . Find the length of the flagstaff . (Take sqrt(3)=1.732)

The angles of depression of the top and bottom of 12,m tall building from the top of a multistoried building are 30^(@) and 45^(@) respectively. Find the height of the multi storeyed building and the distance between the two buildings.