MATHEMATICS · Multi-part · GCSE · Mathematics · Geometry and Measures · Geometry and Measures
Problem
You are given a circle drawn on a sheet of paper, but its centre is not marked.
(i) Describe, step by step, how you would locate the centre of the circle using only a ruler and a compass.
(ii) Explain why the method you have described is always successful, referring to the properties of chords of a circle.