Across
- 2. 3.14159 to 5 decimal places.
- 4. Half of a diameter
- 6. Line through a circle that dosn't go through the centre
- 8. Meets at a right angle
- 9. Cuts in half
- 12. The internal space of 2D shape
Down
- 1. Outer edge of a circle
- 3. Twice as long as a radius
- 5. An area enclosed by two radii and an arc
- 7. A section of the circumference
- 10. An area enclosed by a chord and an arc
- 11. A line that touches the circle's circumference in one place