Geometry Vocabulary

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Across
  1. 2. A quadrilateral with exactly one pair of parallel sides
  2. 5. Having the same size and shape
  3. 6. an angle that measures less than a right angle, less than 90 degrees
  4. 9. a figure with two basic units of measure, usually length and width
  5. 12. a four-sided polygon
  6. 14. a triangle with 3 congruent sides
  7. 15. lines in the same plane that never intersect
  8. 18. a quadrilateral with 4 right angles and opposite sides congruent
  9. 19. an angle that measures 90 degrees
  10. 20. a closed, 2-dimensional figure with three or more straight sides
  11. 22. a triangle with at least two congruent sides
  12. 24. 8 sided polygon
Down
  1. 1. 5 sided polygon
  2. 3. a triangle with a right angle
  3. 4. A triangle with 3 acute angles
  4. 7. a quadrilateral with 4 right angles and all sides congruent
  5. 8. an angle that measures greater than a rightangle but less than a straight angle
  6. 10. a quadrilateral whose opposite sides are both parallel and congruent
  7. 11. a three-sided polygon
  8. 13. Lines that intersect to form right angles
  9. 16. a triangle with one obtuse angle
  10. 17. a triangle with no congruent sides
  11. 18. a quadrilateral with all sides congruent and opposite angles congruent
  12. 21. 6 sided polygon
  13. 23. a non-polygon with all points located the same distance from the center