Across
- 3. the length from the centre of a circle to one outer edge
- 4. the name given to a 4 sided shape
- 7. a triangle with equal sides and angles
- 8. a quadrilateral with equal sides and angles
- 10. the perimeter of a circle
- 11. the middle point of a circle
- 12. like the lines on a train track
Down
- 1. a triangle with 2 equal angles and sides
- 2. a quadrilateral with only 1 pair of parallel sides
- 5. a quadrilateral with 2 pairs of parallel lines and angles of a different size
- 6. when a line joins with another line at exactly 90 degrees
- 9. the length of the line through the centre of a circle from one side to the other