IGCSE Mathematics Extended E4.8.1 Use the following symmetry properties of circles: • equal chords are Question Bank

• Use the following symmetry properties of circles: • equal chords are equidistant from the centre • the perpendicular bisector of a chord passes through the centre • tangents from an external point are equal in length. Candidates are expected to use the geometrical properties listed in the syllabus when giving reasons for answers. 5 Mensuration