1.

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.

Answer»

A. 80* and 50*
B. 30* and 80*
C. 100* and 70*
D. none of these

Answer :A


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