1.

In the given figure, AB is a chord of a circle with centre O and AB is produced to C such that BC = OB. Also, CO is joined and produced to meet the circle D. If ∠ACD = y∘ and ∠AOD = x∘, prove that x = 3y.

Answer»

In the given figure, AB is a chord of a circle with centre O and AB is produced to C such that BC = OB. Also, CO is joined and produced to meet the circle D. If ACD = y and AOD = x, prove that x = 3y.



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