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Question

Find the value of x in degrees from the given figure if AOB=70 and AB=CD.

  1. 70

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Solution

The correct option is A 70


From the given figure, AB and CD are chords.
Given: AB=CDAOB=70°

The angle subtended by the chord AB is AOB, and the angle subtended by the chord CD is COD=x.

We know that, equal chords subtend equal angles at the centre.
AOB=COD=x
Thus, x=70.

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