| Answer | Crossword Clue |
|---|---|
| CHORD | Line segment joining two points on a curve |
| CHORD | Line segment joining two points on a circle |
| chord | the line segment between two points on a curve |
| center | point that is related to a geometrical figure in such a way that for any point on the figure there is another point on the figure such that a straight line joining the two points is bisected by the original point called also center of symmetry |
| polars | The straight line joining the two points at which tangents from a fixed point touch a conic section |
| endpoint | either of two points that mark the end of a line segment |
| endpoints | ENDPOINT, either of two points that mark the end of a line segment |
