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 light-hours, the angles of depression of two ships on the opposite sides are observed to be 30^(@)" and "45^(@) . If the height of the light-house, is 90 m and the line joining the two ships passes through the light- house, then find the distance between the ships.

From the top of a building 60m high the angles of depression of the top and the bottom of a tower are observed to be 30o and 60o . Find the height of the tower.

From the top of a light house, the angles of depression of two stations on opposite sides of it at a distance a apart are alpha and beta . Find the height of the light house.

From the top of a 50 m high tower, the angles of depression of the top and bottom of a pole are observed to be 45o and 60o respectively. Find the height of the pole.

From the top of a cliff, the angle of depression of the top and bottom of a tower are observed to be 45^(@) and 60^(@) respectively. If the height of the tower is 20 m. Find : (i) the height of the cliff (ii) the distance between the cliff and the tower.

From te top of a tower , 60 meters high, the angles of depression of the top and bottom of a pole are alpha and beta respectively .Find the height of the pole.

A man standing on the deck of a ship, which is 10 m above water level, observes the angle of elevation of the top of a hill as 60^@ and the angle of depression the base of hill as 30^@ . Find the distance of the hill from the ship and the height of the hill.

A man standing on the deck of a ship, which is 8m above water level. He observes the angle of elevation of the top of a hill as 60o and the angle of depression of the base of the hill as 30o . Calculate the distance of the hill from the ship and the height of the hill.

If from the top of a tower 80 meters high the angles of depression of the top and bottom of a house are 30^(@) and 45^(@) respectively, then the height of the house is