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

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.

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 )

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.

There are two temples, one on each bank of a river, just opposite to each other. One temple is 50m high. From the top of this temple, the angles of depression of the top and the foot of the other temple are 30o and 60o respectively. Find the width of the river and the height of the other temple.

From the top of a building A B , 60 m high, the angles of depression of the top and bottom of a vertical lamp post C D are observed to be 30o and 60o respectively. Find the height of the lamp post.

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

An aeroplane at an altitude of 250 m observes the angle of depression of two boats on the opposite banks of a river to be 45^(@)and60^(@) respectively. Find the width of the river. Write the answer correct to the nearest whole number.

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.

A man sitting at a height of 20m on a tall tree on a small island in the middle of a river observes two poles directly opposite to each other on the two banks of the river and in line with the foot of tree. If the angles of depression of the feet of the poles from a point at which the man is sitting on the tree on either side of the river are 60^0a n d30^0 respectively. Find the width of the river.

The angles of depression of the top and bottom of 8m tall building from the top of a multistoried building are 30o and 45o respectively. Find the height of the multistoried building and the distance between the two buildings.