The perpendicular bisector of a line segment Animation Play

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

The polygon made of two triangles Whiteboard exercise Play

The prism Whiteboard exercise Play

The prism Student activity Play

The Pythagorean theorem Student activity Play

The Pythagorean theorem in real life Student activity Play

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

The ratio 1 : 2 Whiteboard exercise Play

The ratio of perimeters Whiteboard exercise Play

The ratio of squares to triangles Whiteboard exercise Play

The ratio of two values Student activity Play

The ratio of two values Animation Play

The ratios of more than two quantities Student activity Play

The rectangle Student activity Play

The rectangle Whiteboard exercise Play

The right prism based on a right-angled triangle Whiteboard exercise Play

The right triangle Animation Play

The SAS property Animation Play

The set of commands Whiteboard exercise Play

The shaded triangle Whiteboard exercise Play

The shapes Animation Play

The Side-Angle-Side (SAS) property Whiteboard exercise Play

The Side-Side-Side (SSS) property Whiteboard exercise Play

The side-splitting theorem Animation Play