Triangles and other shapes can be accurately constructed using a protractor, a pair of compasses and a ruler. Make an accurate drawing of a triangle with lengths 4 cm and 6 cm with an angle of 40° in ...

So, what's with the biscuits? Oh a triangulator machine! 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 ...