Very cool! Right, there are four different types of triangle. First, here's an isosceles triangle, it has two equal length sides and two equal angles. Oh! Very clever! Now we have an equilateral ...

You can see the vertical side is much shorter than the other two sides, so that means that all the sides are different ... angles, each measuring 45º. This means this is an isosceles triangle ...

equal angles, and equal sides. 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 ...