Question

of the sum of either pair of opposite angles is 180 degrees then the quadrilateral is cyclic​

Answer 1

Given the sum of pair of opposite angles of a quadrilateral is 180° we have to prove that the quadrilateral is cyclic. Let us assume that the quadrilateral ABCD is not cyclic i.e Let the point D does not lie on the circle which makes the quadrilateral non-cyclic.

Answer 2

Answer:

Given the sum of pair of opposite angles

of a quadrilateral is 180° we have to

prove that the quadrilateral is cyclic.

Let us assume that the quadrilateral ABCD

is not cyclic.