Math Crossword Puzzle#1: Geometry

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Across
  1. 4. a 9 sided polygon
  2. 5. a 7 sided polygon
  3. 7. a 10 sided polygon
  4. 9. lines that meet and make a right angle
  5. 14. means the same length
  6. 15. a tool used to measure angles
  7. 19. a parallelogram with 4 congruent sides with acute and obtuse angles that looks like a squished square
  8. 20. a 3 sided polygon
  9. 21. the point where lines meet in a polygon
  10. 22. an angle that is greater 91-179 degrees
  11. 23. when you draw a line on a figure or shape and you create equal parts
Down
  1. 1. a 6 sided polygon
  2. 2. formed when two rays meet
  3. 3. a flat two dimensional shape with 3 lines or more
  4. 6. an angle that is less than 90 degrees
  5. 8. a parallelogram with 4 congruent sides that has 4 right angles
  6. 10. a 5 sided polygon
  7. 11. lines that meet and make obtuse and acute angles
  8. 12. a parallelogram with 4 right angles in which the opposite sides are equal
  9. 13. a 4 sided polygon
  10. 16. an angle that is exactly 90 degrees
  11. 17. a polygon with one pair of parallel sides that looks like a triangle with its head chopped off
  12. 18. lines that never meet forever
  13. 22. an 8 sided polygon