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9 September, 04:23

The radius of the circle whose equation is (x + 4) ² + (y - 2) ² = 36 is

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  1. 9 September, 04:53
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    Answer: 6

    The equation given to you is in the form (x-h) ^2 + (y-k) ^2 = r^2

    The right hand side 36 is in the place of r^2, so r^2 = 36 leading to r = 6 after you apply the square root to both sides.
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