hunterjburmeis hunterjburmeis
  • 24-07-2017
  • Mathematics
contestada

The radius of the circle whose equation is (x + 4)² + (y - 2)² = 36 is 36 18 6

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konrad509
konrad509 konrad509
  • 24-07-2017
[tex]36=r^2\\r=6[/tex]
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irspow
irspow irspow
  • 24-07-2017
The equation of a circles is:

(x-h)^2+(y-k)^2+r^2, where (h,k) is the center of the circle and r is the radius

r^2=36

r=√36

r=6
Answer Link

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