In the general case the circle with centre coordinates (a, b) and radius r is the set of all points (x, y) such that (x-a)^2+(y-b)^2=r^2

So the center is (-6,4) and the radius sqrt(36)=6

Don't hesitate to provide me a nice feedback. I will appreciate. Thanks.

How do I provide feedback?

I don't know :). Don't bother yourself.

I'll figure it out :)

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