What is the circumference (x-1)^2+(y-3)^2=2^2 ?

The circumference (x-1)^2+(y-3)^2=2^2 is C=4pi

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circumference (x-1)^2+(y-3)^2=2^2

circumference

(x - 1)^{2} + (y - 3)^{2} = 2^{2}

C = 4 π

Solution steps

C = 2 π r

Find the radius

Radius given

(x - 1)^{2} + (y - 3)^{2} = 2^{2} : r = 2

C = 2 π 2

Refine

C = 4 π

(x - 0)^{2} + (y - 20)^{2} = 400

x^{2} + y^{2} = 100

x^{2} + y^{2} = 25

(x - 2)^{2} + (y - 3)^{2} = 64

3 x^{2} + 3 y^{2} = 75

What is the circumference (x-1)^2+(y-3)^2=2^2 ?
The circumference (x-1)^2+(y-3)^2=2^2 is C=4pi