1
Q
Circumference of a circle/perimeter or the circle
A
A line made up of points that are the same distance from the center
2
Q
Radius of a circle
A
A line that joins the center of a circle to any point or the circumference
3
Q
Diameter of a circle
A
A line that joins two points of the circumference. It’s 2x the radius
4
Q
Arc
A
Part of the circumference
5
Q
The sector of a circle
A
The area enclosed between two radii and an arc
6
Q
Chord
A
A line segment that joins 2 points on the circumference of a circle
7
Q
Segment
A
An area enclosed between a chord and arc
