If the point a(4,3) and b(x,5) are on the circle with the centre o(2,3) find value of x

If the point a(4,3) and b(x,5) are on the circle with the centre o(2,3

1.	If the point a(4,3) and b(x,5) are on the circle with the centre o(2,3) find value of x
Answer» 4+x=2, x=2/4 , x=1/4