A boy saw the top of building under construction at an elevation of `30^@`. The completed building was 12 m higher and the boy saw its top at an elevation of `60^@` from the same spot.
What is the height of the building?

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.

The angle of elevationof 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 50m high, find the height of the building.

person observes the angle of elevation of the top of a building as 30^(@) . He proceeds towards the building with a speed of, 25 (sqrt(3) -1) m/hour. After two hours, he observes the angle of elevation as 45^(@) . What is the height of the building, in metres?

A statue, 1.6m tall, stands on the top of a pedestal. From a point on the ground, the angle of elevation 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 pedestal.

A statue, 1.6 m tall, stands on the top of a pedestal. From a point on the ground, the angle of elevation of the top of the statue is 60^(@) and from the samme point the angle of elevation of the top of the pedestal is 45^(@) . Find the height of the pedestal.

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

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