You can also use a rule and dividers or compass to copy an angle (Figure 11): Step 1: On the angle to be copied, use point O as the centerpoint and use any convenient radius to swing arc ab.

It may be useful to look at M5 constructions Constructions are accurate drawings of shapes using a ruler and protractor. In M6 you may be asked to construct using a pair of compasses, a pencil and ...

Many a mathematician has received a long letter from an unknown sender who claims to have found a way to trisect an angle using only a straightedge and compass. The mathematician may read passages ...

Learn about and revise how to create loci and constructions using a compass with this BBC Bitesize GCSE Maths Edexcel study guide.