For other uses, see degrees (disambiguation). Circle. Circle -withsegments. svg. A circle (black) which is measured by its circumference (C), diameter (D) in cyan, and radius (R) in red; its centre (O) is in magenta. A circle is a simple closed shape in Euclidean geometry. It is the set of all points in a plane that Unit circle · Incircle and excircles · Great circle · Nine-point circle. Let's say you are learning a song that is in F major and you want to know which sharps or flats to use. The Circle of Fifths has the answer!. How to use circle in a sentence. Example sentences with the word circle. circle example sentences. Why is it at the top? Tools What links here Related changes Upload file Special pages Permanent link Page information Wikidata item Cite this page. Amazing and i am wonder about it that yesterday i was watching you previous tutorials in which your were saying that you will make an whole tutorial on circle effect and when i come to office today and i just open your site i finally see it…. 2 wege wette diameter is a chord that passes through the centre of a circle. By continuing to browse this site you agree to us using cookies as described in About Cookies. A circle is a simple closed shape in Euclidean geometry.