A person walking along a straight road observes that a two points 1 km apart, the angles of eleva-tion of a pole in front of him are `30^@ and 75^@`. The height of the pole is

A person walking along a straight road observes that a two points 1km apart,the angles of eleva-tion of a pole in front of him are 30^(@) and 75^(@). The height of the pole is

A person walking along a straight road observes that at two consecutive kilometre stones the angles of elevation of a hill in front of him are 30^(@) and 45^(@) find the height of the hill

A person walking along a straight road towards a hill observes at two points distances sqrt3 km. The angle of elevation of the hill to be 30^@ and 60^@ . The height of the hill is

A person walking along a st.road towards aobserves at two points,distance sqrt(3)km, the angles of elevation of the hill to be 30 and 60^(@). The height of the hill is

A person observed that the angle of elevation at the top of a pole of height 5 metre is 30^(@) . Then the distance of the person from the pole is :

From an aeroplane above a straight road the angle of depression of two positions at a distance 20 m apart on the road are observed to be 30^(@) and 45^(@) . The height of the aeroplane above the ground is :

From an aeroplane above a straight road the angles of depression of two positions at a distance 20 m apart on the road are observed to be 30^(@) and 45^(@). The height of the aeroplane above the ground is

Two poles of equal heights are standing opposite each other on either side of the road,which is 80m wide.From a point between them on the road,the angles of elevation of the top of the poles are 60^@ and 30^@ respectively.Find the height of the poles and the distances of the point from the poles.