Consider the graph of the circle shown below.
Complete the statement.
Every point on the circle is exactly $\editable{}$ units away from the point
$\left(\editable{},\editable{}\right)$(,)
State the equation of the circle.
Consider the circle with equation $x^2+y^2=16$x2+y2=16.
Consider the circle with centre ($0$0, $0$0) that passes through the point ($5$5, $-10$−10).