Geometry Vocabulary

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Across
  1. 2. Any two-dimensional figure that is open and/or has curved sides.
  2. 4. A quadrilateral with 2 sets of parallel lines.
  3. 6. A group of objects with similar qualities.
  4. 10. A closed two-dimensional figure with straight sides.
  5. 11. A parallelogram with 4 congruent sides.
  6. 12. The bottom edge of a shape, often used to measure height.
  7. 14. The point where two sides of a polygon meet.
  8. 16. Formed by two rays meeting at a point.
  9. 17. A parallelogram with 4 congruent angles.
  10. 19. A polygon with 4 sides.
  11. 20. A rectangle with 4 congruent sides.
Down
  1. 1. polygon A polygon where all sides are congruent and all angles are congruent.
  2. 3. When two lines never touch.
  3. 5. The perpendicular distance from base to top.
  4. 7. polygon A polygon where all sides are not congruent and/or all angles are not congruent.
  5. 8. When two measurements are equal to each other.
  6. 9. A smaller group in a set with more specific qualities.
  7. 10. figure A shape that only has width and height.
  8. 13. A straight edge of a polygon.
  9. 15. A quadrilateral with 1 set of parallel lines.
  10. 18. A polygon with 3 sides.