surfline surfline
  • 13-06-2017
  • Mathematics
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how to find the radius of a circle in the equation open study

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firestarangel26
firestarangel26 firestarangel26
  • 13-06-2017
Circle Equation: 
[tex](x - h)^2 + (y - k)^2 = r^2[/tex]

r^2=diameter 

So to find the radius find the square root of the r^2 for example 
If: 
r^2=36 
Radius=6 
Because the square root of 36 is 6 
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