What are the coordinates of the center and the measure of the radius for a circle whose equation is (x+9)^(2) + (y+4)^(2) = 81

Suresh Karia asked Mar 5, 2022

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40 votes

What are the coordinates of the center and the measure of the radius for a circle whose equation is
(x+9)^(2) + (y+4)^(2) = 81

Suresh Karia asked Mar 5, 2022

3.2k points

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20 votes

Centre= (-9,-4)

Radius = 9 units

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