Find the area of the region enclosed by the graph of $x^2 + y^2 = 2x - 6y + 6$
x2+y2=2x−6y+6(x2−2x)+(y2−6y)=6(x2−2x+1)+(y2−6y+9)=6+1+9(x−1)2+(y−3)2=16
This is a circle with a radius of 3
you can find the area from there.
+6 
