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= √(100 + 36)
=√136
Jari2 = R = 1/2 √136
Titik Pusat
x = (-1 + 5)/2 = 4/2 = 2
y = (8 + (-2)/2 = 6/2 = 3
(x-2)^2 + (y-3)^2 = R^2
(x-2)^2 + (y-3)^2 = (1/2 √136)^2
(x-2)^2 + (y-3)^2 = 34
Pusat: ((5 - 1)/2 , (-2 + 8)/2) = (2, 3)
Persamaan lingkarannya:
(x - a)² + (y - b)² = (1/4)d²
(x - 2)² + (y - 3)² = (1/4)(136)
(x - 2)² + (y - 3)² = 34