Question

What is Cyclic Quardrilaterals ?

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Answer 1

Answer:

What is a cyclic quadrilateral?

The quadrilateral whose vertices lies on the circumference of a circle is a cyclic quadrilateral. It is also called an inscribed quadrilateral.

Answer 2

Answer:

a cyclic quadrilateralor inscribed quadrilateral is a quadrilateralwhose vertices all lie on a single circle. This circle is called the circumcircle or circumscribed circle, and the vertices are said to be concyclic. The center of the circle and its radius are called the circumcenter and the circumradius respectively. Other names for these quadrilaterals are concyclic quadrilateral and chordal quadrilateral, the latter since the sides of the quadrilateral are chords of the circumcircle. Usually the quadrilateral is assumed to be convex, but there are also crossed cyclic quadrilaterals. The formulas and properties given below are valid in the convex case.