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, ...

If the triangle is rotated a full 360°, ... Some trapeziums have one line of symmetry. They are called isosceles trapeziums as they have 2 sides of an equal length like isosceles triangles.

Background. You'll be using Sketches 2, 3, and 4 of this file to explore which coloured triangles could fit into the given triangle outlines. Each triangle type has a different colour (pink for ...

Learn about and revise angles, lines and multi-sided shapes and their properties with this BBC Bitesize GCSE Maths Edexcel study guide.