Polygons Slideshow Play

Regular polygons – the octagon Student activity Play

Regular triangle and regular hexagon Whiteboard exercise Play

Resonance structures for benzene Animation Play

Resonance structures of benzene Student activity Play

The angle between two lines Animation Play

The angles of a polygon Student activity Play

The angles of a polygon Whiteboard exercise Play

The area of a regular hexagon Whiteboard exercise Play

The area of an equilateral triangle Student activity Play

The hexagon Animation Play

The hexagon and the square Whiteboard exercise Play

The interior angles of a polygon Student activity Play

The interior angles of polygons Whiteboard exercise Play

The method of 'halving the arcs' Whiteboard exercise Play

The sum of the angles in the polygons Whiteboard exercise Play

The sum of the exterior angles of a convex polygon Student activity Play

The sum of the exterior angles of a hexagon Whiteboard exercise Play

What is a perimeter? Animation Play

What is a perimeter? Student activity Play