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Jari-jari : R
Dimana:
R² = (2-3)²+(-3-2)²
= 26
Persamaan lingkaran:
(x-2)² + (y +3)² = R²
x² -4x + 4 + y² + 6y + 9 = 26
x² + y² - 4x + 6y - 17 = 0