A (6, 0) is a point on a circle with center (0, 0).Find the radius of the circle.

If a diameter of the circle x^(2) + y^(2) - 2x - 6y + 6 = 0 is a chord of another circle C having centre (2, 1), then the radius of the circle C is

A circle is drawn with (5,3) as centre. (5,6) is a point on the circle.What is the radius of the circle?

Find an equation of the circle with centre at (0,0) and radius 2.

If (4,0) is a point on the circle x^(2)+ax+y^(2)=0 , then the centre of the circle is at

Find the centre and the radius of the circle x^2+y^2+8 x+10 y-8=0

A circle is drawn with (5,3) as centre. (5,6) is a point on the circle.What is the distance from the centre of the circle to the x-axis?.

A circle with centre as origin passes through the point '(6,0)'. a) Find the radius of the circle.