Equation of an ellipse Student activity Play

Equation of any circle Simulation Play

Equation of the circle Animation Play

Exercises about the equation of the circle with centre at an arbitrary point Student activity Play

Expressions for angles Whiteboard exercise Play

Expressions for angles Student activity Play

Exterior angles Animation Play

Figures in the Cartesian coordinate system Student activity Play

Final results Whiteboard exercise Play

Final results Student activity Play

Finding angle Whiteboard exercise Play

Finding angles Whiteboard exercise Play

Finding angles Student activity Play

Finding equation of a circle Whiteboard exercise Play

Finding intersection points Whiteboard exercise Play

Finding intersection points Student activity Play

Finding intersection points of two circles Whiteboard exercise Play

Finding intersection points of two circles Student activity Play

Finding points of intersection algebraically Animation Play

Finding the angle bisector Student activity Play

Finding the area Whiteboard exercise Play

Finding the area of the region Whiteboard exercise Play

Finding the centre of a circle Student activity Play

Finding the centre of a circle Simulation Play

Finding the centre, the radius and the equation of a circle Student activity Play