Exact values of trigonometric ratios for selected angles Animation Play

Exact values of trigonometric ratios for selected angles Student activity Play

Example as a proof Student activity Play

Examples of angles Animation Play

Examples of different forms of energy Slideshow Play

Expressions for angles Whiteboard exercise Play

Expressions for angles Student activity Play

Exterior and interior angles Animation Play

Exterior and interior angles of a triangle Student activity Play

Exterior angles Animation Play

Exterior angles in a triangle Simulation Play

Exterior angles in a triangle – proof Animation Play

Exterior angles in quadrilaterals Whiteboard exercise Play

Exterior angles in quadrilaterals Student activity Play

Exterior angles in quadrilaterals – a game Game Play

Exterior angles of a triangle Student activity Play

Finding angles Student activity Play

Finding angles Whiteboard exercise Play

Finding angles Whiteboard exercise Play

Finding angles Student activity Play

Finding angles Student activity Play

Finding angles Whiteboard exercise Play

Finding angles in a triangle Student activity Play

Finding angles in a triangle Whiteboard exercise Play

Finding corresponding and alternate angles Whiteboard exercise Play