"Circle cutting" may refer to circle division by chords, circle division by lines, or any other operation through which a circle is divided into multiple parts.
Circle Cutting
See also
Cake Cutting, Circle Division by Chords, Circle Division by LinesExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Circle Cutting." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/CircleCutting.html