Amit, standing on a horizontal plane, finds a bird flying at a distance of 200 m from him at an elevation of `30^@`. Deepak standing on the roof of a 50m high building, finds the angle of elevation of the same bird to be `45^@`. Amit and Deepak are on the opposite sides of the bird. Find the distance of the bird from Deepak.

A boy standing on a horizontal plane finds a bird flying at a distance of 100 m from him at an elevation of 30^@. A girl standing on the roof of 20 metre high building, finds the angle of elevation of the same bird to be 45^@. Both the boy and the girl are on opposite sides of the bird. Find the distance of bird from the girl.

From the top of a 7m high building,the angle of elevation of the top of a tower is 60 and the angle of depression of the foot of the tower is 30. Find the height of the tower.

From the top of a 10 m high building, the angle of elevation of the top of a tower is 60^@ and the angle of depression of its foot is 45^@ . Find the height of the tower

A boy is standing on the ground and flying a kite with 100m of string at an elevation of 30o . Another boy is standing on the roof of a 10 m high building and is flying his kite at an elevation of 45o . Both the boys are on opposite sides of both the kites. Find the length of the string that the second boy must have so that the two kites meet.

A boy standing on a horizontal plane find that angle of elevation of a bird 100 meter away from him at 30^(@) . A girl standing at a house 20 meter above the plane find that elevation of the bird is 45^(@) . If boy and girl are in the opposite direction find the distance between the bird and the girl.

A lamp post stands on a horizontal plane. From a point situated at a distance 150 m from its foot, the angle of elevation of the top is 30^(@). What is the height of the lamp post?

A lamp post stands on a horizontal plane. From a point situated at a distance 150 m from its foot, the angle of elevation of the top is 30^(@) . What is the height of the lamp post?

A person standing at a distance of 90 m from a church observes the angle of elevation of its top to be 45^(@) . Find the height of the chruch .

A boy is standing on the ground and flying a kite with 150 m of string at an elevation of 30^(@) . Anotheer boy is tanding on the root of a 25 m high buildig and flying a kite at an elevation of 45^(@) . Find the length of string required by the second boy so that the two kites just meet if both the boys are on opposite sides of the kites.