Question 599605: What is the length of the radius of the circle with the equation (x-6)^2+(y+5)^2=21^2
Answer by lwsshak3(11628)   (Show Source):
You can put this solution on YOUR website! What is the length of the radius of the circle with the equation
(x-6)^2+(y+5)^2=21^2
Standard form of equation for a circle: (x-h)^2+(y-k)^2=r^2, (h,k)=(x,y) coordinates of center, r=radius
For given equation:
r^2=21^2
r=21
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