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Exam-style practice

Circle theorems II answer explanations

Review worked answers and explanations for Circle theorems II. Aligned to Cambridge IGCSE Mathematics.

Answer explanations

Question 1 of 2

Review the answer support, then move sideways through the set.

Paper 2 structured question: Circle theorems II

Paper 2Core or Extended Mathematics2 marks

Diagram Description

Circle with Chords AB and CD

In the circle below, chords AB and CD are equal in length. The perpendicular bisector of chord AB passes through the center O of the circle.

PointDescription
ABChord
CDChord equal in length to AB
OCenter of the circle
  1. a

    Explain Why are chords AB and CD the same distance from the center O?

    [2]