Two poles of height 3 m and 2m are erected upright on the ground and ropes are stretched from the top of each to the foot of the tower.
Prove that this height would be the same whatever be the distance between the poles.
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Two poles of height 3 m and 2m are erected upright on the ground and ropes are stretched from the top of each to the foot of the tower. At what height above the ground do the ropes cross each other. .

Two poles are erected upright on the ground and ropes are stretched from the top of each to the foot of the tower. Taking the heights of the poles as 'a' and 'b' and height above the ground of the point where the ropes cross each other as h, find the relation between a,b and h. .

A ball is dropped from the top of a tower.prove that,the height of the tower is 20m if the ball reaches the ground with a velocity 20 m//s .

From the top of a tower, the angle of depression of a point on the ground is 60^@ . If the distance of this point from the tower is 1/(sqrt3+1) m then the height of the tower is

A stone falls down from the top of a wall in 1 s to the ground ( g=10 m/s^2 ) How much is the height of the wall?