The angle of elevation of a tower of height h from a point A due South of it is x and from a point B due East of A is y. If AB=, then which one of the following is correct?

The angle of elevation of a tower of heighth from a point A due south of it is x and from a point B due east of A is y. If AB = 2, then which one of the following is correct?

The angle of elevation of a tower PQ at a point A due north of it is 30^(@) and at another point B due east of A is 18^(@) . If AB =a. Then the height of the tower is

The angle of elevation of a tower PQ at a point A due north of it is 30^(@) and at another point B due east of A is 18^(@) . If AB =a. Then the height of the tower is

The angular elevation of a tower OP at a point A due south of it is 60^@ and at a point B due west of A, the elevation is 30^@ . If AB=3m, the height of the tower is

The angular elevation of a tower OP at a point A due south of it is 60^@ and at a point B due west of A, the elevation is 30^@ . If AB=3m, the height of the tower is

The angle of elevation of the top of a tower a point A due south of it is 30^@ and from a point B due west of it is 45^@ .If the height of the tower is 100 meters ,then find the distance AB.