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13 May, 19:30

A circle is described by the equation (x-12) 2 + (y-32) 2=49. What are the cordinates for the center of the circle and the length of the radius?

(-12,-32), 23units

(-12,-32), 49units

(12,32), 49units

(12,32), 23units

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  1. 13 May, 19:40
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    The equation of a circle is (x - a) ² + (y - b) ² = r², where the coordinates of the center (C) are C (a, b) and "r" the radius. Here, C (12, 32) and r=7 if you need, so there is no correct alternative.
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