A1.5 m tall boy is standing at some distance from a 30 m tall building. The angle of elevation from his eyse to the top of the building increase from `30^(@) " to " 60^(@)` as he walks towards the building. Find the distance he walked towards the building.

A 1.5 m tall boy is looking at the top of a temple which is 30 meter in height from a point at certain distance. The angle of elevation from his eye to the top of the crown of the temple increases from 30^(@) to 60^(@) as he walks towards the temple. Find the distance he walked towards the temple.

A person is standing at a distance of 80 m from a church looking at its top. The angle of elevation is of 45^@ . Find the height of the church.

A boy is at a distance of 60 m from a tree, makes an angle of elevation of 60^@ with the top of the tree. What is the height of the tree?

A boy standing at a distance of 48 meters from a building observes the top of the building and makes an angle of elevation of 30^@ . Find the height of the building .

The horizontal distance between two building is 70m. The angle of depression of the top of the first building when seen from the top of the second building is 45^(@) . If the height of the second building is 120 m, find the height of the first building.

The angle of depression of the top and bottom of 20 m tall building from the top of a multistorised building are 30^(@) and 60^(@) respectively. The height of the multistoried building and the distances between two building (in metres ) is

The angle of depression of the top and bottom of 20m tall building from the top of a multistoried building are 30^(@) and 60^(@) respectively. The height of the multi storied building and the distance between two building (in meters) is ___.

The angle ofelevation of the top of a tower from the foot of the building is 30^(@) and the angle of elevation of the top of the building from the foot of the tower is 60^(@) . What is the ratio ofheights of tower and building.