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The Circumference

The Circumference is a curve line formed __for__ (**by**) a set of point (**s**) that are to the same distance of single point called __the__ (**eliminate it**) center.

The characteristics that present the circumference are:

- All points of circumference are equidistant from point "center". - The circumference has an internal angle of 180 degrees. - The distance between the center to any point of circumference is called "Radius". - __Twice the radius__ (**The radius twice**) distance of the circumference is the diameter of circumference. - the circumference is a perimeter of circle that contain (**it**).