All right-angled triangles are either isosceles or scalene ... This means this is an isosceles triangle. This type of triangle can also be called a right-angled triangle.

You'll be using Sketch 1 of this file which has three different types of triangles - scalene, isosceles, equilateral. Each triangle type has a different colour (pink for scalene, red for equilateral, ...

Question 2: What type of triangle has sides with lengths 4 cm, 5 cm and 4 cm? Practise working out properties of triangles with this quiz. You may need a pen and paper to help you with your answers.

You'll be using Sketches 5 and 6 of this file to explore which coloured triangles could fit into the given triangle outlines. The intent of these two sketches is to make explicit comparisons between ...