Geometry Crossword Puzzle

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Across
  1. 3. A polygon with four sides
  2. 4. An angle greater than 90 degrees
  3. 5. Two sides of this polygon are congruent
  4. 7. Two lines that cross at only one point
  5. 8. A quadrilateral where opposite sides are parallel
  6. 11. All the angles are congruent
  7. 14. A quadrilateral with two pairs of consecutive congruent sides
  8. 16. No sides of this polygon are congruent
  9. 19. Lines that intersect to form two 90 degree angles
  10. 20. A parallelogram where all sides are congruent
Down
  1. 1. Two or more lines that never intersect
  2. 2. An angle that is 180 degress
  3. 6. All of the sides would be congruent
  4. 9. term describing equal shape and size
  5. 10. describes a polygon that is equiangular and equilateral
  6. 12. An angle that is 90 degrees
  7. 13. A parallelogram with four right angles
  8. 15. A quadrilateral where one set of sides are parallel
  9. 16. A regular parallelogram
  10. 17. A line that divides an angle into two congruent angles
  11. 18. An angle less than 90 degrees