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 `45o` and `60o` respectively. Find the height of the transmission tower.

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

The angles of the depression of the top and bottom of the tower is seen from the top of a 60sqrt(3) cliff are 45^(alpha) and 60^(alpha) respectively.Find the height of the tower.

The angle of depression of the top and the bottom of a 7 m tall building from the top of a tower ar 45^(@) and 60^(@) respectively. Find the height of the tower in metres.

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 depression of the top and bottom of a 50 m high buiding from the top of a tower are 45^(@) and 60^(@) respectively . Find the height of the tower.

A 7 m long flagstaff is fixed on the top of a tower on the horizontal plane. From a point on the ground, the angles of elevation of the top and bottom of the flagstaff are 45^(@)" and " 30^(@) respectively. Find the height of the tower.

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.