The angle of elevation of the top T of a vertical tower from a point X is 45 degree. From a point Y on ...

The angle of elevation of the top T of a vertical tower from a point X is 45 degree. From a point Y on  the straight line X and P, the foot of the tower, the angle of elevation is 60 degree. If XY=200m an d PT=xm, calculate x.

 Solution;