# How do you write the equation of the circle with center (4,5) and radius 2?

Dec 4, 2015

${\left(x - 4\right)}^{2} + {\left(y - 5\right)}^{2} = 4$
The general equation of a circle with center $\left(a , b\right)$ and radius $r$ is
$\textcolor{w h i t e}{\text{XXX}} {\left(x - a\right)}^{2} + {\left(y - b\right)}^{2} = {r}^{2}$