Question

Define cyclic quadrilateral ​

Answer 1

Answer:

if the sum of a pair of opposite angles of a quadrilateral is 180 degree then quadrilateral is cyclic

Answer 2

Answer:

In Euclidean geometry, a cyclic quadrilateral or inscribed quadrilateral is a quadrilateral whose vertices all lie on a single circle. This circle is called the circumcircle or circumscribed circle, and the vertices are said to be concyclic