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Equation of circle: x^2 +4x +y^2 -18y +59 = 0

Completing the squares: (x +2)^2 +(y -9)^2 = 26 which is radius squared

Center of circle: (-2, 9)

Area of circle: pi times 26 = 81.681 square units to three decimal places

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โˆ™ 2017-12-07 12:24:31
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Q: What is the center and area of the circle x2 plus 4x plus y2 -18y plus 59 equals 0?
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