A curved line that is part of the circumference of a circle. There are an infinite number of those points here are some examples. Circle on a Graph.
Arc and sector of a circle.
Circle Formula Circle is a particular shape and defined as the set of points in a plane placed. 2pr The Greek letter p pi represents the ratio of the circumference of a circle to its diameter. H and k are the x and y coordinates of the center of the circle x 9 2 y 6 2 100 is a circle centered at 9 6 with a radius of 10. The formulas for the area of a circle are.