Ellasyn's Crossword Puzzle

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Across
  1. 3. a triangle with one right angle
  2. 6. has two sets of opposite parallel lines that are the same length
  3. 11. has four right angles and two pairs of opposite parallel lines
  4. 12. has four right angles and two pairs of opposite parallel lines
  5. 13. a triangle with three acute angles
  6. 14. a four sided polygon
  7. 15. an "L" shaped angle that measures 90 degrees
  8. 17. has equal adjectent sides and one pair of congruent opposite angles
  9. 18. no sides are the same length
  10. 19. a shape with a length and width but no height
  11. 21. a closed two dimensional shape with straight sides
Down
  1. 1. an arrangement of categories and subcategories classifying shapes by there attributes
  2. 2. 2 lines that never meet and are always the same distance apart
  3. 4. two sides are the same length
  4. 5. a shape with length and width but no height
  5. 7. all sides are the same length
  6. 8. a triangle with one obtuse angle
  7. 9. the same size and shape
  8. 10. a way to describe something (size, lines,and angles)
  9. 16. has one pair of parallel opposite sides
  10. 20. has four equal sides and equal opposite angles