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Grade 12
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Mathematics
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Analytical Geometry
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Practice: Analytical Geometry
Question 1 of 3
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The equation of a circle with centre (a, b) and radius r is:
A
(x - a)² + (y - b)² = r
B
(x - a)² + (y - b)² = r²
C
(x + a)² + (y + b)² = r²
D
x² + y² = r
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