Answer:

Step-by-step explanation:
General Equation of circle is
----------- (1)
Here

Radius r is distance from origin (x1, y1) to point (x2, y2)=(-3, -6)




Substituting values in equation (1)


32 because 64 divided by 2 equals 32
,,,,,,,,,,,,,m............
do you have a picture of the border?