## Cyclic Quadrilaterals

Cyclic quadrilaterals (In Euclidean geometry) are closed quadrilateral whose all vertices lie on a single circle. This circle is called the circumscribed circle or circumcircle, and the vertices are said …

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# Circles

## Cyclic Quadrilaterals

Cyclic quadrilaterals (In Euclidean geometry) are closed quadrilateral whose all vertices lie on a single circle. This circle is called the circumscribed circle or circumcircle, and the vertices are said …

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