Solving problems Student activity Play

Solving problems involving trigonometric ratios Class activity Play

Solving problems involving trigonometric ratios Whiteboard presentation Play

Solving problems using the tangent theorem Simulation Play

Solving problems using the tangent theorem Student activity Play

Solving triangles Whiteboard exercise Play

Solving triangles Student activity Play

Solving triangles Whiteboard exercise Play

SSS property of similar triangles Whiteboard exercise Play

SSS property of similar triangles Student activity Play

Star polygons Student activity Play

Subdivision into triangles Simulation Play

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

Substituting into formulas connected with any triangle Student activity Play

Substituting into formulas connected with triangles Whiteboard exercise Play

Sum of angles in a triangle Animation Play

Sum of the angles in a quadrilateral – proof Animation Play

Sum of the angles in a triangle – proof Animation Play

Surface area and volume of regular polyhedrons Class activity Play

Surface area and volume of regular polyhedrons Whiteboard presentation Play

Surface area of a pyramid – exercises Student activity Play

Surface area of a regular tetrahedron Whiteboard exercise Play

Surface area of a right, regular pyramid Whiteboard exercise Play

Symmetrical figures Whiteboard exercise Play

Symmetrical triangles Animation Play