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OpenStudy (anonymous):
Find the length of the radius for this circle. (x - 3)² + (y - 5)² = 8
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OpenStudy (anonymous):
(x-a)^2+(y-b)^2=radius^2
OpenStudy (anonymous):
The standard form of a circle is: \[(x-h)^2 + (y-k)^2 = r^2\] So in this case, \(r^2\) = 8... What is r?
OpenStudy (anonymous):
That's the general formula for a circle
OpenStudy (anonymous):
2rad2 would be the legnth of the radius
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