Symmetry in a circle Student activity Play

Tangent to a circle Student activity Play

Tangent to a circle Whiteboard exercise Play

Tangents to a circle Student activity Play

Tangents to a circle Whiteboard exercise Play

The area of a circle Class activity Play

The area of a circle Whiteboard presentation Play

The centre and the radius Animation Play

The centre and the radius of a circle Student activity Play

The centre and the radius of a circle Simulation Play

The centre of a circle Animation Play

The centre of gravity Animation Play

The circle Whiteboard presentation Play

The circle Class activity Play

The circle and its equation Animation Play

The circle and the equilateral triangle Student activity Play

The circle with centre at an arbitrary point Whiteboard exercise Play

The circle with centre at the origin Whiteboard exercise Play

The circle with centre at the origin Student activity Play

The clock Animation Play

The composition of two enlargements Animation Play

The distance between the images Animation Play

The distance between the images – the rectangles Whiteboard exercise Play

The equation of a circle going through a point Student activity Play

The equation of a circle with centre at an arbitrary point Student activity Play