Circles in Coordinate Plane
Equation of a circle (x-h)²+(y-k)²=r²; find centre and radius; write and graph circle equations.
4 worksheetsRead the explainer →
- 1Find Centre of CircleIdentify the centre (h, k) of a circle from its equation (x-h)²+(y-k)²=r².adaptive
- 2Find Radius and Diameter from EquationFind the radius by taking the square root of r² in the circle equation.adaptive
- 3Write Equations of CirclesWrite the equation of a circle given its centre and radius.adaptive
- 4Graph CirclesIdentify whether a point lies on, inside, or outside a given circle.adaptive