Equation of Circle

The equation of circle is: \boxed{(x-a)^2+(y-b)^2=r^2}

Centre: (a,b)

Radius: r

Memory Tip

  • The equation is actually Pythagoras’ Theorem !!!
  • Please take note of the minus sign “(x-a), (y-b)”

Author: mathtuition88

https://mathtuition88.com/

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