Hi. may pinapasagotan yung kaibigan kong problem. May binigay daw 3 coordinates (20, 3) (19,8) (2,-9) tapus hahanapin daw yung center at radius. Nakalimutan ko na po yung step, patulong naman po. Yung may formulang x²+y²+2gx+2fx+c=0, salamat po in advance.
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