Question

explain the the therorem of converse of cyclic quadrilateral with proof​

Answer 1

If the opposite angles of a quadrilateral are supplementary, then it is a cyclic quadrilateral.
In □ABCD, if m angle A + m angle C =180°
or m angle B + m angle D =180°
then, □ABCD is a cyclic quadrilateral.

Hope it helps you.
Mark it as brainlist.