Sum of the angles in a cyclic quadrilateral Animation Play

Sum of the angles in a quadrilateral Simulation Play

Sum of the angles in a quadrilateral – proof Animation Play

Sum of the angles in a triangle – proof Animation Play

Sum of two adjacent angles of a parallelogram Animation Play

Sunken galleon Whiteboard exercise Play

Supplementary, corresponding and alternate angles Whiteboard exercise Play

Supplementary, vertical, corresponding and alternate angles Student activity Play

Supplementary, vertical, corresponding and alternate angles Whiteboard exercise Play

Symmetries with respect to two perpendicular lines Whiteboard exercise Play

Symmetries with respect to two perpendicular lines Student activity Play

Tangent to a circle Student activity Play

Tangent to a circle Whiteboard exercise Play

Tangent to a circle through a point not on the circle Whiteboard exercise Play

Tangent to a circle through a point not on the circle Student activity Play

Tangents to a circle Student activity Play

Termination of terminal side Animation Play

Test your knowledge about angles Whiteboard exercise Play

Test your knowledge about angles Student activity Play

The amplitude and period of oscillation Student activity Play

The amplitude and period of oscillation Whiteboard exercise Play

The angle between the conductor and the field lines Simulation Play

The angle between the conductor and the field lines Animation Play

The angle between the conductor and the field lines Student activity Play

The angle between the conductor and the field lines Whiteboard exercise Play