When working with circles it is important to recognise and be able to name different parts of the circle. A segment of a circle is an area enclosed by a chord and an arc. What is the name given to a ...

THE usual text-book formula for the radial distance of the centroid of a circular arc of radius r and length 2ra, may be converted into a useful result by expressing the position of the centroid in ...

This is a preview. Log in through your library . Abstract This paper presents a collection of results about coloring a family of circular arcs. We prove that the strong perfect graph conjecture is ...