Angles of a quadrilateral – proof Animation Play

Angles of a quadrilateral – revision Whiteboard exercise Play

Angles of a quadrilateral – revision Student activity Play

Angles of a triangle – revision Student activity Play

Angles of pentagon Whiteboard exercise Play

Angles of polygons Student activity Play

Angles of polygons Animation Play

Angles of quadrilaterals Student activity Play

Angles of quadrilaterals Animation Play

Angles of special triangles Student activity Play

Angles on a line Whiteboard exercise 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 speed Student activity Play

Angular speed Whiteboard exercise Play

Application in geometry Whiteboard exercise Play

Application in geometry Student activity Play

Application of the Pythagorean theorem in 2-D Whiteboard presentation Play

Application of the Pythagorean theorem in 2-D Class activity Play

Application of the Pythagorean theorem in 3-D Whiteboard presentation Play

Application of the Pythagorean theorem in 3-D Class activity Play

Application of X-rays Student activity Play

Applying the sum and difference identities for the sine Whiteboard exercise Play

Applying the sum and difference identities for the sine and cosine Student activity Play