It is the circle's circumference
it is called circle because it is circular. circular means smooth, rounded edges. a circle matches that description.
The boundary which defines the area of a circle is known as the circumference of the circle.However if one wants to be precise, the circumference is the distance around the outside of the circle, not the circle itself. The term "circle" itself means the boundary. It has an interior and an exterior.A circle can be defined as all the points that are the same distance from a given point.
the distance around a circular region is called circumference
A circular region or a disk.
The line connecting the points is called a chord; the part of the perimeter of the circle enclosed is called an arc; the area between an arc and the chord is called a circular segment.
66.5622 degrees
circular arc is a segment of the circumference of a circle
Circle.
no
the set f all points of the plane which lie either on the circle or inside the circle form the circular region
Circular motion can be described as the movement of an object along a path that forms a circle. The object continuously changes direction while maintaining a constant distance from a fixed point called the center of the circle. Examples include a car driving around a roundabout or a planet orbiting a star.
Border or boundry