An observer standing 72 m away from a building notice that the angles of elevation of the top and the bottom of a flag staff on the building are respectively `60^@` and `45^@`.Find the height of the flag staff.

From the top of a building 60m high the angle of depression of the top and the bottom of vertical lamp post an observed 30° and 60 ° respectively.Find The height of the lamp post.

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 hihg building are 45^@ and 60^@ respectively.Find the height of the tower.

The angle of elevation of the top of a tower from a point on the ground,which is 30m away from the foot of the tower,is 30^@ .Find the height of the tower.

An observer 1.5m tall is 30metres away from a tower,50m high.Determine the angle of elevation from his eyes to the top of the tower.

The angle of elevation of a post of height 55m as seen from the foot of a man standing on a road is 60^@ .Find the distance of the man from the post.

Two poles of equal heights are standing opposite each other on either side of the road,which is 80m wide.From a point between them on the road,the angles of elevation of the top of the poles are 60^@ and 30^@ respectively.Find the height of the poles and the distances of the point from the poles.

Two poles of equal heights are standing opposite to each other on either side of the road which is 80m wide. From a point between them on the road the angles of elevation of the top of the poles are 60° and 30° respectively. Find the height of the poles .

The angle of elevation of the top of a building from the foot of the tower is 30^@ and the angle of elevation of the top of the tower from the foot of the building is 60^@ .If the tower is 50 m high,find the height of the building

A man standing on a bank of a river found that the angles of elevation of a tree on the other bank of the river is 60^@ .By retiring 40m back,he found the angle of elevation to be 30^@ .Find the height of the tree and the breadth of the river.

From the top of a 7 m high building ,the angle of elevation of the top of a cable tower is 60^@ and the angle of depression of its foot is 45^@ .Determine the height of the tower.