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Mathematics, 21.02.2021 14:00 cofran

The standard form of an equation of a circle with center at (h, k)
and radius r is .

(y βˆ’ h)2 + (x βˆ’ k)2 = r2

(x βˆ’ h)2 βˆ’ (y βˆ’ k)2 = r2

(y + h)2 βˆ’ (x + k)2 = r2

(x βˆ’ h)2 + (y βˆ’ k)2 = r2

(x + h)2 βˆ’ (y + k)2 = r2

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The standard form of an equation of a circle with center at (h, k)
and radius r is .
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