The perpendicular bisector Whiteboard exercise Play

The perpendicular bisector Student activity Play

The perpendicular bisector in a circle Animation Play

The perpendicular bisector of a line segment – a reminder Student activity Play

The perpendicular bisectors Simulation Play

The points on the circumference of a circle Whiteboard exercise Play

The radius and the diameter of a circle Student activity Play

The radius of the circle inscribed into the right triangle Whiteboard exercise Play

The reasons for using circles Animation Play

The red line Whiteboard exercise Play

The relationship between centripetal force and the radius of the circle Animation Play

The rhombus and the circle Student activity Play

The rhombus and the circle Whiteboard exercise Play

The rolling wheel Whiteboard exercise Play

The running truck Whiteboard exercise Play

The segments in the circle Whiteboard exercise Play

The shapes made from the circle Animation Play

The sine and coordinates of the points Animation Play

The sine of an arbitrary angle Student activity Play

The sine rule Whiteboard presentation Play

The sine rule Class activity Play

The small and the big circles Whiteboard exercise Play

The square inscribed in a circle Whiteboard exercise Play

The square inscribed in a circle Animation Play

The tangent Student activity Play