The tops of two towers of height `x` and `y` , standing on level ground, subtend angles of `30o` and `60o` respectively at the centre of the line joining their feet, then find `x\ : y` .

If two towers of height h_(1) and h_(2) subted angle of 60^(@) and 30^(@) respectively at the mid point of the line joining their feet, then find h_(1):h_(2) .

If in two circles, arcs of the same length subtend angles 60o and 75o at the centre, find the ratio of their radii.

From the top of a 50m 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 54 m 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.

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.

A person observed the angle of elevation of the top of a tower as 30o. He walked 50m towards the foot of the tower along level ground and found the angle of elevation of the top of the tower as 60o. Find the height of the tower.

The shadow of a tower standing on a level ground is found to be 40m longer when Suns altitude is 30o than when it was 60o .Find the height of the tower.

A straight highway leads to the foot of a tower of height 50m .From the top of the tower,the angles of depression of two cars standing on the highway are 30o and 60o respectively. What is the distance between the two cars and how far is each car from the tower?