| Answer | Crossword Clue |
|---|---|
| SECANT | Straight line through a circle |
| RADII | They go straight in a circle |
| DIAMETER | Chord through a circle. |
| INDEX | Part of a book that's rarely read straight through |
| ARC | Line of a circle |
| CHORD | Line in a circle |
| DIAMETER | Line across a circle |
| DIAMETER | Longest line within a circle. |
| CHORD | Line connecting two points on a circle |
| CHORD | Line segment joining two points on a circle |
| RADIUS | Line from the center to the perimeter of a circle |
| NORTHSTAR | Thing located in the night sky by extending a line from circle F past circle G |
