Across
- 4. A triangle with no sides the same length
- 5. An angle that measures exactly 90 degrees
- 7. An angle that measures more than 90 degrees and less than 180
- 11. A straight path made when connecting 2 or more points
- 12. Length x width
- 13. A 4-sided polygon with four equal sides
- 15. A flat surface
- 17. Lines that intersect at a right angle
- 18. The distance around a closed plane figure/polygon
- 19. A 4-sided polygon with opposite sides parallel
Down
- 1. A triangle with all sides the same length
- 2. An angle measuring less than 90 degrees
- 3. The point where two sides of an angle or polygon meet
- 6. A triangle with at least 2 sides the same length
- 8. A 3-sided polygon
- 9. Triangle with one right angle
- 10. segment A straight path of points have 2 endpoints
- 14. A 4-sided polygon with four equal sides and 4 right angles
- 16. Figures with the same shape but not always the same size