Across
- 3. If q, then p
- 4. Connects two points via the shortest path and continues indefinitely (forever) in both directions
- 6. A plane figure with the same size and shape
- 7. An angle that measures more than 90°
- 12. Part of a line between two points
- 13. A flat surface
- 14. Lines that never intersect (they are always the same distance apart)
- 16. A triangle with two equal length sides (and two equal internal angles)
- 19. A polygon with 3 sides and 3 angles
- 20. If ~p, then ~q
Down
- 1. Two rays with the same end point
- 2. An angle that measures less than 90°
- 5. Lines that intersect (cross) at an angle of 90°
- 8. If p, then q
- 9. A triangle with all three sides with different lengths
- 10. If ~q, then ~p
- 11. An angle that measures 90°
- 14. The distance around the figure
- 15. Point at which two line segments intersect (forming an angle)
- 17. Part of a line that has one end point and goes in one direction without end
- 18. A location in space, a dot on a piece of paper