Definition: A quadrilateral is cyclic if it can be inscribed in a circle. |
You can move the vertices of the given cyclic quadrilateral with pressed mouse button.
Opposite angles in a cyclic quadrilateral add up to 180°. |
Mathematics Applets |
URL: http://www.walter-fendt.de/m14e/cyclquadrilat.htm
© Walter Fendt, November 1, 1997
Last modification: February 28, 2004