There is a small island in the middle of a 100m wide river and a tall tree stands on the island. `P` and `Q` are points directly opposite to each other on two banks and in line with the tree. If the angles of elevation of the top of the tree from `P` and `Q` are respectively `30o` and `45o` , find the height of the tree.

There is a small island in the middle of a 50m wide river and a tall tree stands on the island.P and Q are points directly opposite to each other on the two banks, and in line with the tree. If the angles of elevations of the top of the tree from P and Q are respectively 60^(@) and 30^(@) ,find the height of the tree.

The angles of elevation of the top of a rock from the top and foot of a 100m high tower are respectively 30o and 45o. Find the height of the rock.

The angle of elevation of the top of tree from a point at a distance of 250 m from its base is 60^(@) . The height of the tree is ____.

The angle of elevation of the top of a tree from a point at a distance of 200 m from its base is 60. The height of the tree is

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.

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.

A man sitting at a height of 20m in a tall tree on a small island in the middle of the river observes two poles directly opposite each other on the two banks of river and in line with the foot of the tree. If the angles of depression of the feet of the poles from a point at which the man is sitting on the three on either side of the river are 60° and 30° respectively. Find the width of the river.

Two posts are 4 m apart. Both posts are on same side of a tree. If the angles of depression of these posts when observed from the top of the tree are 45 and 60° respectively, then what is the height of the tree?

An observer of height 1.8 m is 13.2 m away from a palm tree. The angle of elevation of the top of the tree from his eyes is 45^(@) . What is the height of the palm tree ?