[" 21.From the top of a hill,the angles of depression of two consecutive stones dueter "],[" are found to be at "30^(@)" and "45^(@)." Find the height of the hill."]

From the top of a hill,the angles of depression of two consecutive kilometre stones due east are found to be 30^(@) and 45^(@). Find the height of the hill.

From the top of the hill; the angle of depressions of two consecutive kilometre stones due east are found to be 30^(@) and 45^(@) Find the height of the hill.

From the top of a hill, the angles of depression of two consecutive kilometre stones due east are found to be 30^0a n d45^0 . Find the height of the hill.

From the top of a hill, the angles of depression of two consecutive kilometre stones, due east, are found to be 30^(@) and 45^(@) respectively. Find the distance of the two from the foot of the hill

From the top of a cliff 50 m high, the angles of depression of the top and bottom of a tower are observed to be 30^(@) and 45^(@). The height of tower is

From an aeroplane vertically above a straight road the angles of depression of two consecutive mile stones on the road are observed to be 45^@ and 30^@ . Find the height of the aeroplane above the road.

From the top of a hill 200 m high, the angles of depression of the top and the bottom of a pillar are 30^@ and 60^@ respectively. Find the height of the pillar and its distance from the hill.