Question

cyclic quadrilateral ​

Answer 1

In Euclidean geometry, a cyclic quadrilateral or inscribed quadrilateral is a quadrilateral whose vertices all lie on a single circle.

Step-by-step explanation:

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Answer 2

In Euclidean geometry , cyclic quadrilateral or in subscribed 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 . The centre of the circle and its radius are called the circumcenter and circumradius respectively.

Other names of these quadrilaterals are concyclic quadrilateral and chordal quadrilateral , the letters in 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.

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