On the level ground, the angle of elevation of a tower is `30^(@)`. On moving 20 m nearer, the angle of elevation is `60^(@)`. The height of the tower is

The angle of elevation of top of a tree is 30^(@) . On moving 20m nearer, the angle of elevation is 60^(@) . The height of the tree is

From a point on the level ground, the angle of elevation of the top of a pole is 30^@ . On moving 20 metres nearer, the angle of elevation is 45^@ . Then the height of the pole, in metres , is

From a point on the level ground , the angel of elevation of the top of a pole is 30^(@) . On moving 20 meters nearer, the angle of elevation is 45^(@) . Then the height of the pole, in meters, is

The angle of elevation of the top of a tower from a point on the same level as the foot of the tower is 15^@ . On moving 100 metres towards the tower, the angle of elevation increases to 30^@ . The height of the tower is

A tower stands on a horizontal plane. The shadow of the tower when the angle of the elevation of the Sun is 30^(@) is 45m more than when the angle of elevation of the Sun is 60^(@) , Then, the height of the tower is……….m

The angle of elevation of the top of a tower at a point G on the ground is 30^(@) . On walking 20 m towards the tower the angle of elevation becomes 60^(@) . The height of the tower is equal to :

From a point of the ground, angle of elevation of top of a tower is 30^(@) . On moving 50sqrt(3) meter towards the tower the elevation changes to 60^(@) . What is the height of the tower ?

The angle of elevation of the top of a tower at a point A on the ground is 30^(@) . On walking 20 meters toward the tower, the angle of elevation is 60^(@) . Find the height of the tower and its distance from A.