A circle with circumference (C) in black, diameter (D) in cyan, radius (R) in red,
and centre (O) in magenta. ... Arc: any connected part of the circle. Centre: the ...
A pictorial index to the parts of a circle. A diagram with links to full definitions.
The center of a circle is the point at which the distance to any part on the circle is
exactly the same distance. The center is at the middle of the diameter and ...
A circle is a shape with all points the same distance from its center. A circle is
named by its center. Thus, the circle to the right is called circle A since its center
An arc is a part of the circumference between two points or a continuous piece of
a circle. The shorter arc between and is called the minor arc . The longer arc ...
(Sectors are similar to "pizza pie slices" of a circle.) Semi-circle (half of circle =
half of area). Quarter-Circle (1/4 of circle = 1/4 of area). Any Sector (fractional part
A circle is easy to make: Draw a curve that ... The Circumference is the distance
around the edge of the circle. ... And a part of the circumference is called an Arc.
An arc is a part of a circle. arc. In the diagram above, the part of the circle from B
to C forms an arc. An arc can be measured in degrees. In the circle above, arc ...
The points within the hula hoop are not part of the circle and are called interior ...
The distance between the midpoint and the circle border is called the radius.
Introduction: A circle is all points equidistant from one point called the center of
the circle. Segments drawn near and through the circle create other geometrical ...