Question

Prove that equal chords of a circle subtend equal angles at the centre. [3]​

Answer 1

Step-by-step explanation:

If we take the chords AB and CD are equal and the centre of circle O.

OA = OB = OC = OD = radius.

and we know that

AB = CD

So triangle OAB and OCD are congruent by SSS criterion.

So by CPCT(Congruent Parts of Congruent Triangles are equal), angle AOB = angle COD.

Answer 2

Answer:

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