Question

A tree is broken by the wind but does not separate . If the point where it breaks down 9 mandatory it's touches the ground at a distance of 12m from its foot

Answer 1

let's see it as a right-angled triangle...
the height =9m
base=12m
this implies that,the hypotenuse is=√9²+12²
=√81+144
=√225
=15m