Prove that the sum of opposite pair of angles of a cyclic quadrilateral is `180^@`

Sum of opposite angles in a cyclic quadrilateral is …………

Which of the following sentences are statements ? Justify Sum of opposite angles of a cyclic quadrilateral is 180^(@)

Theorem 10.11 : The sum of either pair of opposite angles of a cyclic quadrilateral is 180º.

Theorem 10.11 : The sum of either pair of opposite angles of a cyclic quadrilateral is 180º.

Prove that the opposite angles of a cyclic quadrilateral are suplemenary.

The opposite angles of a cyclic quadrilateral are ……………

Prove that the sum of the measures of four angles of a quadrilateral is 360^@ .

The sum of either pair of opposite angles of a cyclic quadrilateral is 180^(@) OR The opposite angles of a cyclic quadrilateral are supplementary.

Answer the following by a number or a word or a sentence : What is the sum of opposite angles of a cyclic quadrilateral ?