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[" 6."ABCD" is a cyclic quadrilateral wh...

[" 6."ABCD" is a cyclic quadrilateral whose diagonals intersect at a point "E" .If "/_DBC=70^(@)" ,"],[/_BAC" is "30^(@)" ,find "/_BCD" .Further,if "AB=BC" ,find "/_ECD" ."]

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