Maurice's geometry crossword

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Across
  1. 8. a quadrilateral with two sets of parallel lines
  2. 10. the angle created by two lines exttending to the circumference of the circle
  3. 12. an angle measuring exactly o degrees
  4. 14. a quadrilateral with two pairs of congruent sides.
  5. 15. the distance b/w any two points along the circumference of a circle
  6. 16. a part of a line with two endpoints
  7. 18. a quadrilateral with only one pair of parallel sides and congruent base angle
  8. 19. a collection of points that continues forever in both directions
  9. 20. two rays that share an endpoint
Down
  1. 1. an angle measuring less than 90
  2. 2. trapezoid a quadrilateral with one set of parallel lines and congruent base angles
  3. 3. an angle greater than 90 and less than 180.
  4. 4. lines that intersect and form four right angles
  5. 5. a quadrilateral with four equal side and four right (90 degree) angles
  6. 6. a single location in space or on a flat surface
  7. 7. lines that never bisect
  8. 9. a quadrilateral with four right angles (90 degree) angles
  9. 11. lines that pass through the same point
  10. 13. a part of a line with one endpoint
  11. 17. an angle measuring exactly 180