A post stands on the top of a pillar 40ft high. The elevations of the tops of the pillar and the post are respectively `30^@` and `45^@` to an observer standing on the horizontal line from the foot of the pillar. Find the lenght of the post and the distance of the observer from the pillar.

A boy observed the top of an electric pole at an angle of elevation of 60^(@) when the observation point is 8 meters away from the foot of the pole. Find the height of the pole.

A statue stands on the top of a 2m tall pedestal. From a point on the ground, the angle ofelevation of the top of the statue is 60^(@) and from the same point, the angle of elevation of the top of the pedestal is 45^(@) . Find the height of the statue.

Two pillars of equal heights are on the either side of a road, which is 150 metre wide. The angles of elevation of the top of the pillars are 60^@ and 30^@ respectively at a point on the road between the pillars. Find the height of each pillar.

From the top of a building, the angle of elevation of the top of a cell tower is 60^(@) and the angle of depression to its foot is 45^(@) . If distance of the building from the tower is 7m, then find the height ofthe tower.

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 30 m high, find the height of the building.

Two poles of equal heights are standing opposite to each other on either side of the road, which is 120 feet 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.

From the top and bottom of a cliff the angles of depression and elevation of the top of a pillar 60ft high are observed to be 30^@ and 60^@ respectively. Find the height of the cliff.

From the top of a cliff, 150 metres high, the angles of depression of the top and bottom of a pillar are found to be 30^@ and 60^@ respectively, find the height of the pillar.

The upper part of a lamp-post is broken by strom and the top touches the ground at an angle of 30^@ and at a distance of 8sqrt3 meter from the foot of the post. What was the height of the post.

Two men standing on either side of a tower 60m high observe the angle of elevation of the top of the tower is to be 45^@ and 60^@ respectively. Find the distance between two men.