5. In , A, B, C and D are four points on a circle. AC and BD intersect at a point E such that ∆ BEC = 130º and ∆ ECD = 20°. Find A ∆BAC. B.
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5. In , A, B, C and D are four points on a circle. AC and BD intersect at a point E such that ∆ BEC = 130º and ∆ ECD = 20°. Find A ∆BAC. B.
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Answer:
5
Step-by-step explanation: