In the adjoining figure, O is the centre of the circle, if ZOAB = 30° – InterviewSolution

1.

In the adjoining figure, O is the centre of the circle, if ZOAB = 30°,ZABC = 120°, ZBCO = yº and ZCOA=xº, let us find x andy.

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Where is the figure?

what is the ans. I think y=30, and X=180

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