OML Search

Equation of a Circle

Related Topics:
More Lessons for Grade 9
Math Worksheets



Examples, solutions, videos, worksheets, games and activities to help Geometry students learn how to find the equation of a circle given information the radius, center, or a point the circle goes through and the center and how to sketch a circle given its equation.

What is the equation of a circle in standard form?
The equation of a circle is (x - h)2 + (y - k)2 = r2, where (h,k) is the center of the circle and r is the radius.

Writing equations of circles given information like the radius, center, or a point the circle goes through and the center
Graphing a circle given its equation in standard form
Plotting center and radius of a circle; sketch.



Writing the Equation of a Circle in Standard Form
Example of how to find the center and radius when given the equation of a circle



OML Search


We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.