Question

What is a cyclic quadrilateral?

Answer 1

a quadrilateral whose vertices lie on a circle is called a cyclic quadrilateral.
the circle in which this cyclic quadrilateral is found is called as circumcircle or circumscribed circle.

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.