geometry crossword puzzle

12345678910111213141516171819202122
Across
  1. 4. a figure with 0 sides
  2. 5. the guy who created the Pythagoras theorem
  3. 9. one of the 2 condition if a shape is congruent
  4. 11. one hundredth of a meter
  5. 12. The formula to solve it is base x height
  6. 14. a transformation that changes the size by a factor but not the shape
  7. 15. they don't have any angles
  8. 17. a tool used for drawing circles
  9. 18. where we did our homework this year
  10. 19. necessary to find anything about a circle
  11. 20. the 3d version of a square
  12. 21. a 5 equal side figure
  13. 22. a 8 sides figure
Down
  1. 1. the site where we had our homework
  2. 2. lines that never intersect but have the same slope
  3. 3. a 4 equal side figure
  4. 6. a way prof if triangles are equal
  5. 7. a 3 sides figure
  6. 8. a line that if intersected with another line it forms a right triangle its called:
  7. 10. is when 2 figures are multiplied by the same number but the shape is still the both
  8. 13. the measure of any side orangle is euqal to itself
  9. 16. a transformation that turns around a figure from a pint
  10. 20. it has a circle as a base