Parts of a Circles

Horizontal Words

1. The circular length between 2 points of the circumference (3)
3. A line passing through the centre, touching both sides of the circumference (8)
5. The area between 2 radius and the circumference (6)
7. A line off of the circumference, touching once (7)
9. A line between two points of the circumference (5)

Vertical Words

2. Plural of radius (5)
4. The area underneath a chord (7)
6. The origin of a circle (6)
8. A line from the centre to the circumference (6)