Geometry Crossword Puzzle

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Across
  1. 3. more than 90 degrees
  2. 4. A piece or part of a line that has two endpoints
  3. 7. The exact position or location
  4. 9. both opposite sides are parallel and are the same length
  5. 10. 90 degrees
  6. 11. a round thing, usually a 360
  7. 12. four equal sides
  8. 14. three lines that make up a specific shape
  9. 15. four sides, two are equal with each other, each.
  10. 18. a quadrilateral with two pairs of parallel sides
  11. 19. half of a circle
  12. 20. lines that intersect
Down
  1. 1. they never intersect or touch
  2. 2. they form a 90 degree angle where they intersect
  3. 5. a 3-D version of a rectangle
  4. 6. the thing going through the center of the circle to both ends
  5. 8. not Noahs Ark, but like a half circle almost
  6. 13. less than 90 degrees
  7. 16. The headquarters building of the United States
  8. 17. a quadrilateral with only one pair of parallel sides