Constructing a congruent angle Animation Play

Constructing an equilateral triangle Simulation Play

Constructing an isosceles triangle Simulation Play

Constructing right angle triangle Animation Play

Constructing the image of a triangle in a line Animation Play

Construction of a circle circumscribed about a triangle Student activity Play

Construction of a circle inscribed into a triangle Animation Play

Construction of a right-angled triangle Simulation Play

Construction of a triangle Animation Play

Construction of an isosceles right-angled triangle Simulation Play

Construction of an isosceles triangle Whiteboard exercise Play

Construction of bisectors Simulation Play

Construction of regular polygons Student activity Play

Construction of triangles Animation Play

Corresponding segments and angles – reflection Animation Play

Corresponding segments and angles – rotation Animation Play

Corresponding sides Whiteboard exercise Play

Corresponding sides and angles Student activity Play

Creating symmetrical triangles Whiteboard exercise Play

Crossing lines cut by two parallel lines Animation Play

Definition of enlargement Student activity Play

Demonstration of the formula for the area of a triangle Whiteboard exercise Play

Demonstration or proof? Animation Play

Demonstration or proof? Student activity Play

Diminution Animation Play