| A | B |
|---|
| circle | collection of all points equidistant from a centrl point in 2 dimensions |
| radius | segment that begins at the center and extends to one side |
| diameter | a chord that goes through the center point |
| tangent | a line that intersects a circle, perpendicular to the radius |
| chord | a line segement that intersects two sides of a circle |
| secant | a line that passes through a circle and intersects two sides of the circle |
| minor arc | arc that is greater than 0 degrees, but less than 180 degrees |
| major arc | an arc that is greater then 180 degrees |
| arc | part of the circle bounded by radii that form an angle |
