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प्रश्न
If O is the centre of the circle, find the value of x in each of the following figures
योग
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उत्तर
APC = `1/2"AOC" = 1/2 xx 120°` = 60°
Since ABCD is a cyclic quadrilateral.
CBD = x is the exterior angle
So, x = APC = 60°.
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