$\"\"$

Standard form of a circle is $\"\"$ .

From the figure center of the circle $\"\"$

The distance between center and $\"\"$ -intercept of the circle $\"\"$ is radius.

Calculate the distance between two points by using formula: $\"\"$

Substitute the values of $\"\"$ $\"\"$ and $\"\"$ in the distance formula.

$\"\"$

$\"\"$ .

$\"\"$

Substitute the center and radius in standard form of the circle.

$\"\"$

Option (b) is correct.