Surface area of a right, regular pyramid Whiteboard exercise Play

Surface area of a triangular prism Animation Play

Surface of a cone Whiteboard exercise Play

Surface of a cone Student activity Play

Symbols of transistors Animation Play

Telephony Whiteboard exercise Play

Telephony Student activity Play

Test your knowledge about angles Whiteboard exercise Play

Test your knowledge about angles Student activity Play

The amplifying characteristic of a transistor Simulation Play

The amplifying characteristic of a transistor Student activity Play

The angles in a parallelogram and a trapezium Animation Play

The angles of a parallelogram Whiteboard exercise Play

The angles of a polygon Whiteboard exercise Play

The angles of a polygon Student activity Play

The angles of a quadrilateral Animation Play

The angles of a quadrilateral Student activity Play

The angles of a trapezium Whiteboard exercise Play

The angles of a triangle Simulation Play

The angles of a triangle Animation Play

The angles of an isosceles triangle Whiteboard exercise Play

The angles of isosceles triangles Student activity Play

The angles that are multiples of 45° Animation Play

The angles that are multiples of 60° Animation Play

The appropriate range of angles Whiteboard exercise Play