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A chord separates the circumference of a circle into two sections - the major arc and the minor arc. It also separates the area into two segments - the major segment and the minor segment. Calculate ...

Circle theorems are properties that are true for all circles, regardless of their size. There are six theorems to learn and recognise. Questions can have a combination of theorems. It is important to ...

iv) (Motivate) Equal chords of a circle (or of congruent circles) are equidistant from the centre (s) and conversely. v) (Prove) The angle subtended by an arc at the centre is double the angle ...