What is the circumference x^2+y^2-2x+6y-15=0 ?

The circumference x^2+y^2-2x+6y-15=0 is C=10pi

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circumference x^2+y^2-2x+6y-15=0

circumference

x^{2} + y^{2} - 2 x + 6 y - 15 = 0

C = 10 π

Solution steps

C = 2 π r

Find the radius

Radius given

x^{2} + y^{2} - 2 x + 6 y - 15 = 0 : r = 5

C = 2 π 5

Refine

C = 10 π

x^{2} + y^{2} - 10 x - 6 y + 25 = 0

(x - 3)^{2} + (y - 2)^{2} = 2

(x + 7)^{2} + (y - 1)^{2} = 8

c i rc l e, f in d C i rc u m f ere n ce, g i v e n r = 7

x^{2} + y^{2} - 6 x + 2 y - 1 = 0

What is the circumference x^2+y^2-2x+6y-15=0 ?
The circumference x^2+y^2-2x+6y-15=0 is C=10pi