Find the equation of the circle which touches : y-axis at the origin and has radius 4.

Find the equation of the circle touching : x-axis at the origin and having radius 10

Find the equation of the circle which touches : y-axis and has centre at (2, 3)

The equation of a circle which touches the y-axis at origin and whose radius is 3 units is

The equations of the circle which touches the axis of y at the origin and passes through (3, 4) , is

The equation of the circles which touch the y-axis at the origin and the line 5x+12y-72=0 is

Find the equation of the circle which touches both axes in 4^(th) quadrant and whose radius is r.

Find the equation of the circle which touches x-axis and whose centre is (1,2).

Find the equation of the circle which touches the y-axis at a distance of +4 from the origin and cuts off an intercept 6 from the x-axis.

Find the equation of the circle which touches X-axis at a distance of 3 units from the origin and making an intercepts of length 6 on Y-axis.

Find the equation of the circle which touches the x-axis and whose center is (1, 2).