1.

In the given figure, A, B, C and D are four points on a circle. AC and BD intersect at a point E such that ∠BEC=130∘ and ∠ECD=20∘. ∠BAC is

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In the given figure, A, B, C and D are four points on a circle. AC and BD intersect at a point E such that BEC=130 and ECD=20. BAC is






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