Right-angled triangle or not? Animation Play

Roots of the quadratic equation – example Animation Play

SAS property of similar triangles Student activity Play

Sections of a cube Student activity Play

Shapes bounded by arcs and segments Whiteboard exercise Play

Shapes bounded by arcs and segments Student activity Play

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

Sides of the trapezium Animation Play

Sides of the triangles Animation Play

Similar prisms Whiteboard exercise Play

Similar solids Student activity Play

Solids exhibition Animation Play

Solution of the equation ax 2 + bx + c = 0 Student activity Play

Solution of the equation ax 2 = b Student activity Play

Solving a quadratic equation Student activity Play

Solving problems using the tangent theorem Simulation Play

Solving triangles Whiteboard exercise Play

Solving triangles Student activity Play

Special location of terminal side Animation Play

Square roots Student activity Play

Square roots Simulation Play

Squares Simulation Play

SSS property of similar triangles Whiteboard exercise Play

SSS property of similar triangles Student activity Play

Substituting into formulas connected with a right-angled triangle Student activity Play