Across
- 2. angles which are equal on parallel lines due to their Z shape
- 3. a part of the circumference
- 8. the length of a circle
- 11. to cut in half
- 14. a line representing a direction
- 16. something straight which continues forever in both directions
- 18. when three or more lines intersect at the same point
- 19. angles less than 90 degrees
- 20. an angle equal to 180 degrees
- 22. adds to 90 degrees
- 23. adds to 180 degrees
- 25. angles which add to 360 degrees
- 26. straight lines heading in the same direction
- 27. a point equidistant from the circumference
- 28. a line connecting two points on the circumference through the centre
- 30. an angle equal to 90 degrees
- 31. angles which are equal on parallel lines due to their F shape
Down
- 1. when two lines meet
- 4. angles which are supplementary on parallel lines due to their C shape
- 5. angles between 90 and 180 degrees
- 6. another word for a vertex
- 7. an item used to measure angles
- 9. a line connecting two points on the cirumference
- 10. lines which meet at 90 degree angles
- 12. a line passing through two or more parallel lines
- 13. when three points lie on the same line
- 15. a piece cut from a circle (like a pizza slice)
- 17. a line touching the circumference only once
- 21. what we name a corner or any point which is connected by lines
- 23. something straight which connects two points
- 24. an angle which is larger than 180 degrees
- 29. the length from the centre to the circumference