A triangle and circles Simulation Play

A triangle and circles Student activity Play

Circles in the coordinate system Animation Play

Circular glass pots Animation Play

Distance between centres of two circles Whiteboard exercise Play

Finding the length of the radii of the circles Whiteboard exercise Play

Mutual position and number of common points of two circles Student activity Play

Mutual position and number of common points of two circles Whiteboard exercise Play

Mutual position of two circles Class activity Play

Mutual position of two circles Student activity Play

Mutual position of two circles Whiteboard exercise Play

Mutual position of two circles Whiteboard presentation Play

Mutual position of two circles and the distance between their centres Whiteboard exercise Play

Mutual position of two circles in the coordinate system Simulation Play

Mutual position of two circles in the coordinate system Student activity Play

Number of intersection points of two circles Whiteboard exercise Play

Possible positions of two circles Animation Play

Radii of three circles Whiteboard exercise Play

The distance between the centres of circles Student activity Play

The perimeter of the triangle and the diameter of the big circle Animation Play

Two circles Simulation Play

Using the distance formula Animation Play

What is the radius? Student activity Play

What is the radius? Whiteboard exercise Play