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 to each other on either side of the road, which is 120 feet 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.