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11 February, 08:50

Find the equation of a circle whose center is at (4,-5) and radius 9

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  1. 11 February, 09:12
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    (x - 4) ² + (y + 5) ² = 81

    Step-by-step explanation:

    (x - 4) ² + (y - - 5) ² = 9²

    (x - 4) ² + (y + 5) ² = 81
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