From a window 15 metres high above the ground in a street, the angles of elevation and depression of the top and the foot of another house on the opposite side of the street are `30^0a n d45^0` respectively show that the height of the opposite house is 23.66 metres `(t a k esqrt(3)=1. 732)`

From a window, 60 metres high above the ground, of a house in a street, the angles of elevation and and depression of the top and foot of another house on the opposite side of the street are 60o and 45o respectively. Show that the height of the opposite house is 60(sqrt3+1) metres.

The angles of depression of two ships from the top of a light house and on the same side of it are found to be 45^@ and 30^@ respectively. If the ships are 200m apart, find the height of the light house.

From a point on a bridge across a river, the angles of depression of the banks on opposite sides of the river are 30^o and 45^o , respectively. If the bridge is at a height of 3 m from the banks, find the width of the river.

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

The angles of elevation and depression of the top bottom of a light-house from the top of a 60m high building are 30^0a n d60^0 respectively. Find the difference between the heights of the light house and the building. the distance between the light-house and the building.

The angles of elevation and depression of the top bottom of a light-house from the top of a 60m high building are 30^0a n d60^0 respectively. Find the difference between the heights of the light house and the building. the distance between the light-house and the building.

At one side of a road, there os a house and on the other side there is a tower. House and tower are on the same horizontal plane. The angle of depression of the top and foot of the house, from the top of the tower are 30^(@)" and "45^(@) respectively. If the height of the house is 10 m, then find the distance between the house and the tower.

Two boats approach a light house in mid-sea from opposite directions. The angles of elevation of the top of the light house from two boats are 30^0a n d45^0 respectively. If the distance between two boats is 100m, find the height of the light house.

From a point of a bridge across a riuver, the angles of depression of the banks on opposite sides of the river are 30^(@) and 45^(@) , respectively. IF the bridge is at a height of 10 m from the banks, then find the width of the river. (Use sqrt3=1.73 )

Two ships are there in the sea on either side of a light house in such a way that the ships and the light house are in the same straight line. The angles of depression of two ships are observed from the top of the light house are 60^@ and 45^@ respectively. If the height of the light house is 200 m, find the distance between the two ships. (U s e\ \ sqrt(3)=1. 73)