| Answer | Crossword Clue |
|---|---|
| DIAMETER | Chord through a circle. |
| SECANT | Straight line through a circle |
| ALASKA | State that the Arctic Circle passes through |
| MERIDIAN | Circle passing through both the earth's poles |
| MERIDIAN | Great circle that passes through the Earth's poles |
| IRISIN | In film, gradual appearance of an image through an expanding circle |
