| Answer | Crossword Clue |
|---|---|
| semicircles | A half of a circle or of its circumference |
| semicircle | A half of a circle or of its circumference |
| degrees | unit of measure for angles equal to an angle with its vertex at the center of a circle and its sides cutting off 1/360 of the circumference |
| cycloidal | of or like a cycloid, a curve traced by a point on the circumference of a circle which rolls along a straight line |
| cycloidally | CYCLOIDAL, of or like a cycloid, a curve traced by a point on the circumference of a circle which rolls along a straight line |
| radiuses | A straight line from the center to the circumference of a circle or sphere |
