$\"\"$

Observe the graph: The center of the circle $\"\"$ and the point $\"\"$ lies on the circle.

Standard form of a circle equation is $\"\"$ , where $\"\"$ is center and $\"\"$ is radius of the circle.

$\"\"$

Find the radius of the circle.Center $\"\"$ and $\"\"$ .

Substitute the above values in $\"\"$ .

$\"\"$

Radius $\"\"$ .

$\"\"$

Substitute the $\"\"$ and $\"\"$ in standard form.

$\"\"$

$\"\"$ . $\"\"$

Center $\"\"$ and radius $\"\"$ .

Standard form of the circle equation is $\"\"$ .