Baird's Geometry Crossword Puzzle

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Across
  1. 2. Segment connecting midpoints
  2. 4. A figure made of line segments
  3. 7. Quadrilateral with one pair of parallel sides
  4. 9. A regular quadrilateral
  5. 11. Joins 2 opposite corners
  6. 12. A quadrilateral with 4 sides (2 pairs of parallel sides)
  7. 13. Two segments on a line that form a 90 degree angle
  8. 15. A four sided shape
  9. 17. A shape with parallel sides
  10. 18. A shape with 2 congruent sides
Down
  1. 1. Has all sides and angles equal
  2. 3. 2 or more sides of equal length
  3. 5. Angles on a line that add up to 180
  4. 6. A quadrilateral with 2 pairs of congruent sides and opposite angles
  5. 8. A shape with all equal angles
  6. 10. Something that divides an angle or line into congruent pairs
  7. 14. A shape with all equal sides
  8. 16. A shape with parallel sides and opposite angles