Interactive practice questions
Write the equation of the displayed circle.
Loading Graph...
Easy
1min
A circle has its centre at the origin and a radius of $9$9 units.
Easy
1min
Consider the circle $x^2+y^2=25$x2+y2=25.
Easy
2min
The equation of a circle is given by $x^2+y^2=64$x2+y2=64
Easy
< 1min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account