Calculations involving π Animation Play

Chords and diameters Simulation Play

Chords and diameters Student activity Play

Circle in the Cartesian coordinate system Whiteboard exercise Play

Circle inscribed into a parallelogram Simulation Play

Circle properties Whiteboard presentation Play

Circle properties Class activity Play

Circumference of a circle Whiteboard presentation Play

Circumference of a circle Class activity Play

Circumference of a circle Animation Play

Circumference of a circle Student activity Play

Completing the table Whiteboard exercise Play

Construction of a circle with the diameter Animation Play

Construction of a regular pentagon Animation Play

Distance covered by a machine wheel Whiteboard exercise Play

Distance covered by a point on the rim of the wheel Whiteboard exercise Play

Drawing a square inscribed in a circle Student activity Play

Drawing a square inscribed in a circle Whiteboard exercise Play

Equal segments Animation Play

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

Eye’s optics Slideshow Play

Famous figures bounded by semicircles Student activity Play

Famous figures bounded by semicircles – arbelos Whiteboard exercise Play

Figures in the Cartesian coordinate system Student activity Play

Fresnel lens Animation Play