1.

If AB, BC and CD are equal chords of a circle with O as centre and AD diameter, than ∠AOB =(a) 60°(b) 90°(c) 120°(d) none of these

Answer» If AB, BC and CD are equal chords of a circle with O as centre and AD diameter, than ∠AOB =



(a) 60°



(b) 90°



(c) 120°



(d) none of these


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