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PROVE THAT EQUAL CHORDS SUBTEND EQUAL AT THE CENTRE OF THE CIRCLE.⁉️
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Given AB and CD are equal chords of the same circle with center as O.
To prove: angle AOB = angle COD
Proof: In triangle AOB and triangle COD.
AO = CO (radii of the same circle)
AB = CD (given)
OB = OC (radii of the same circle)
Therefore triangle AOB is congruent to triangle COD by SAS congruence rule..
This implies angle AOB is equal to angle COD....
Hence proved...
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❤.This implies angle AOB is equal to angle COD.... Statement : Equal chords of a circle subtend equal angles at the centre. Given : AB and CD are chords of a circle with centre O, such that AB = CD. Hence, Equal chords of a circle subtend equal angles at the centre
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