Two equal chords $AB$ and $CD$ subtend equal angles at the centre. This is because

Two equal chords $AB$ and $CD$ subtend equal angles at the centre. This is because
  1. equal chords correspond to equal central angles
  2. all chords subtend equal angles
  3. they are diameters
  4. they are tangents

Solution

Theorem on equal chords and central angles.

Asked in: MH-SSC-9

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