jmc

To find the circumference, we must first find the length of the radius, $PQ$. We can do this by using the distance formula or by noticing that the points $P$, $Q$, and $(-2,-2)$ form a right triangle with legs of length 5 and 12. This is a Pythagorean triple, so the hypotenuse $PQ$ must equal 13.

Now that we know the radius has length 13, the circumference is $2\cdot 13\pi =\boxed{26\pi }$.