Diameter, cord, radious.
Circumference
Circumduction
Something to do with being part of a circle.
Break it down.the word Quad, means four.So four quadrants are in one circle.
A line segment extending from the center of a circle or sphere t o the circumference or bounding surface.
Semi means part of. So semi circle is part of a circle.
Ark is part of the circle's circumference.
Arc.
Circumference
The word circle is a noun. The plural form is circles.
it means it comes in shapes
Circumduction
The word part com- means together
It is a word
An arc is part of the circumference of a circle
It means that the value represented by the circle is part of the solution set.
kuklos means circle