Lingkaran: Difference between revisions
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:<math>(x - 0)^2 + (y - 0)^2 = r^2 </math>
:<math>x^2 + y^2 = r^2 </math>
:Andaikan titik pusat lingkaran O memiliki koordinat <math>(x_1,y_1)</math>, maka persamaan lingkaran akan menjadi :
:<math>(x - x_1)^2 + (y - y_1)^2 = r^2 </math>
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