Cambridge IGCSE Mathematics practice

exam practice - Understand and apply the symmetry properties of circles, including that equal chords are at the same distance from the center, the perpendicular bisector of a chord goes through the center, and that tangents drawn from a point outside the circle are of equal length. Use these properties to justify answers in geometrical problems. - Circle theorems II

Try the question first, then check the answer and practise the same topic again.