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. Find ∠BAC
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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°. Find ∠BAC.