ABCD is a cyclic quadrilateral whose diagonals intersect at a point E.

1.	ABCD is a cyclic quadrilateral whose diagonals intersect at a point E. If ∠DBC=70∘ and ∠BAC=30∘, then ∠BCD= ___. Further, if AB=BC, then ∠ECD = ___.
Answer» $A B C D$ is a cyclic quadrilateral whose diagonals intersect at a point $E$ . If $∠ D B C = 70^{\circ}$ and $∠ B A C = 30^{\circ}$ , then $∠ B C D$ = ___. Further, if $A B = B C$ , then $∠ E C D$ = ___.

ABCD is a cyclic quadrilateral whose diagonals intersect at a point E. If ∠DBC=70∘ and ∠BAC=30∘, then ∠BCD= _. Further, if AB=BC, then ∠ECD = _.

Answer»

$A B C D$ is a cyclic quadrilateral whose diagonals intersect at a point $E$ . If $∠ D B C = 70^{\circ}$ and $∠ B A C = 30^{\circ}$ , then $∠ B C D$ = ___. Further, if $A B = B C$ , then $∠ E C D$ = ___.

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ABCD is a cyclic quadrilateral whose diagonals intersect at a point E. If ∠DBC=70∘ and ∠BAC=30∘, then ∠BCD= ___. Further, if AB=BC, then ∠ECD = ___.

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ABCD is a cyclic quadrilateral whose diagonals intersect at a point E. If ∠DBC=70∘ and ∠BAC=30∘, then ∠BCD= _. Further, if AB=BC, then ∠ECD = _.