The angle of elevation of the top of an incomplete tower, at a point 40m away from its foot, is `45^(@)`. How much more high the tower must be constructed so that the angle of elevation of its top at the same point be `45^(@)`?

The angle of elevation of the top of an incomplete tower, at a point 40m away from its foot, is 45^(@) . How much more high the tower must be constructed so that the angle of elevation of its top at the same point be 60^(@) ?

The angle of elevation of the top of am incomplete temple, at a point 30 m away from its foot, is 30^(@) . How much more high the temple must ne constructed so that the angle of elevation of its top at the same point be 45^(@) .

The angle of elevation of the top of am incomplete temple, at a point 30 m away from its foot, is 30^(@) . How much more high the temple must ne constructed so that the angle of elevation of its top at the same point be 45^(@) .

The angle of elevation of the top of an unfinished tower at a distance of 100 m from its base is 45^(@) . How much higher must the tower be raised so that angle of elevation of its top at the same point may be 60^(@) ?

The angle of elevation of the top of an unfinished tower at a distance of 120 m from its base is 30^(@) . How much higher must the tower be raised so that the angle of elevation of its top at the same point may be 60^(@) ?

The angle of elevation of the top of an unfinished tower at a distance of 120 m from its base is 30^(@) . How much higher must the tower be raised so that the angle of elevation of its top at the same point may be 60^(@) ?

The angle of elevation of the top of an unfinished tower at a distance of 120 m from its base is 30^(@) . How much higher must the tower be raised so that the angle of elevation of its top at the same point may be 60^(@) ?

The angle of elevation of the top of an unfinished tower at a distance of 120 m from its base is 30^(@) . How much higher must the tower be raised so that the angle of elevation of its top at the same point may be 60^(@) ?

The angle of elevation of the top of an unfinished tower at a distance of 75m from its base is 30^(@). How much higher must the tower be raised so that the angle of elevation of its top at the same point may be 60^(@).

The angle of elevation of the top of a 15 meters high tower from a point 15 metres aways from its foot is: