Across
- 3. Lines that meet to form a 90° angle.
- 4. The total distance around the outside of a 2D shape.
- 6. A polygon with four sides.
- 7. A polygon with six sides.
- 8. A polygon with five sides.
- 9. The distance from the centre of a circle to its circumference.
Down
- 1. A straight line across a circle, through its centre, with both ends on the circumference.
- 2. A closed 2D shape made from straight line segments.
- 3. Lines in the same plane that never meet and stay the same distance apart.
- 5. A line segment joining two non-adjacent vertices of a polygon.