Q7 of 141 Page 447

AB and CD are two equal chords of a circle with centre O such that ∠AOB = 80°, then ∠COD = ?

Given:


AB = CD


We know that angles subtended from equal chords at center are equal.


∴ ∠ AOB = ∠ COD


∴ ∠ COD = 80°

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