Across
- 2. Units inside a shape
- 3. Triangle with all equal sides
- 8. Perimeter around a circle
- 10. Two straight points that are connected
- 14. An example that disproves a statement
- 15. Something you believe is true
- 17. Opposite parallel line
- 18. 4-sided shape
- 19. Angle under 90 degrees
- 20. Two lines that never cross
Down
- 1. Triangle with all different lengths
- 4. Distance around a shape
- 5. Two angles on a line that equal 180 degrees
- 6. The same size, angles, and shape
- 7. 8 sides. Looks like a stop sign
- 9. Angle that is 90 degrees
- 11. Space between two lines
- 12. Parallel sides with opposite equal sides
- 13. When the hypothesis and statement are both wrong
- 16. Two lines that cross and make