The angles of an isosceles triangle Whiteboard exercise Play

The angles of isosceles triangles Student activity Play

The Angle–Side–Angle property – observations and generalisation Student activity Play

The area of a quadrilateral Whiteboard exercise Play

The area of a regular hexagon Whiteboard exercise Play

The area of a segment Whiteboard exercise Play

The area of a triangle Whiteboard exercise Play

The area of a triangle Animation Play

The area of a triangle Animation Play

The area of a triangle Class activity Play

The area of a triangle Whiteboard presentation Play

The area of a triangle Student activity Play

The area of a triangle Student activity Play

The area of a triangle Student activity Play

The area of a triangle Student activity Play

The area of a triangle Whiteboard exercise Play

The area of a triangle Student activity Play

The area of a triangle Animation Play

The area of a triangle Animation Play

The area of a triangle Whiteboard exercise Play

The area of a triangle circumscribed about a circle Animation Play

The area of a triangle in a coordinate system Whiteboard exercise Play

The area of an equilateral triangle Student activity Play

The area of an equilateral triangle Whiteboard exercise Play

The area of the triangle Animation Play