ABCD is a cyclic quadrilateral, in which ∠DBC=80∘ and ∠BAC=40∘. ∠BCD (in degrees ) = ___ .

ABCD is a cyclic quadrilateral, in which ∠DBC=80∘ and ∠BAC=40∘

1.	ABCD is a cyclic quadrilateral, in which ∠DBC=80∘ and ∠BAC=40∘. ∠BCD (in degrees ) = ___ .
Answer» ABCD is a cyclic quadrilateral, in which $∠ D B C = 80^{\circ}$ and $∠ B A C = 40^{\circ}$ . $∠ B C D$ (in degrees ) = ___ .