Abcd is a cyclic quadrilateral whose diagonals intersect ata point E.If <dbc=70 and <bac=30. Find <bcd further ab=bc, find <ecd
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It depends on the configuration of the circles!
Not all books at all levels have Transformations in Chapter 9! Besides, that is not enough information for a sensible question.
9
9/22
The fraction is 9/22.