Angles in a triangle – part II Student activity Play

Angles in simple polygons Class activity Play

Angles in simple polygons Whiteboard presentation Play

Angles of polygons Student activity Play

Angles of quadrilaterals Student activity Play

Angles on a line Student activity Play

Angles on a line Whiteboard exercise Play

Angles on a straight line and angles round a point Student activity Play

Angular measure Animation Play

Arcs Student activity Play

Arcs Whiteboard exercise Play

Attaching the measure to the angle Animation Play

Calorimetric studies on combustion reactions Animation Play

Cardboard model of a cone Animation Play

Central and inscribed angles Student activity Play

Central and inscribed angles on the same arc Whiteboard exercise Play

Central and inscribed angles on the same arc Student activity Play

Central and inscribed angles on the same arc Whiteboard exercise Play

Central and inscribed angles on the same arc – relationship Animation Play

Central and inscribed angles on the same arc – relationship Student activity Play

Circle properties Whiteboard presentation Play

Circle properties Class activity Play

Circle theorems Class activity Play

Circle theorems Whiteboard presentation Play

Circular measure Student activity Play