Draw a circle from 3 point

I have 3 point in an image (3 pixels), if i connect them they show a curve.

so how can i draw a full circle from this 3 point and find the area of the circle.

Answer 1

[Jim Riggs]

If you have the coordinates of the three points, you can use the method in the attached document.

[Hessa Alali]

Thank you