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