Radius is from the center of a circle to the outer edge. Diameter is from the outer edge to the opposite outer edge, i.e., through the center. The diameter has twice the length of the radius.
A helicoid. The outer edge is a helix but since it is a plane, not a line, it becomes a helicoid.
be worn open
a circle
No, it is the outer edge of the circle; the rim; the perimeter
Periphery is the outer edge of something.
The word could be border, boundary, edge, periphery, or purlieu.
The outer edge means the furthest most point from the center. The outer edge is usually the end of the object before the dropping off point.
Radius is from the center of a circle to the outer edge. Diameter is from the outer edge to the opposite outer edge, i.e., through the center. The diameter has twice the length of the radius.
A helicoid. The outer edge is a helix but since it is a plane, not a line, it becomes a helicoid.
The out edge of a cup is called the 'Rim'.
The outer edge of a circle is called the circumference.
brim
brim
It is the circle's circumference
Definition of "rim": 'the outer edge, border, margin, or brink of something, especially of a circular object.' From Old Norse rimi , raised strip of land.Thus, the "rim" of The Canyon itself is its outer edge -- ie, where the canyon stops and the level area begins.
circumference