titik pusat = (2,3)
diameter = 8
-> r = 1/2 • d
r = 1/2 • 8
r = 4
(x-a)^2 + (y-b)^2 = r^2
(x-2)^2 + (y-3)^2 = 4^2
(x^2-4x+4) + (y^2-6y+9) = 16
x^2+y^2-4x-6y-3=0
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titik pusat = (2,3)
diameter = 8
-> r = 1/2 • d
r = 1/2 • 8
r = 4
(x-a)^2 + (y-b)^2 = r^2
(x-2)^2 + (y-3)^2 = 4^2
(x^2-4x+4) + (y^2-6y+9) = 16
x^2+y^2-4x-6y-3=0