Geometry Puzzle

12345678910111213141516171819
Across
  1. 1. How many sides does a pentagon have?
  2. 4. The point where two sides connect
  3. 6. This polygon has 4 sides
  4. 7. An octagon has how many sides?
  5. 8. A quadrilateral has how many sides?
  6. 11. These lines never cross
  7. 12. How many sides does a hexagon have?
  8. 13. A polygon with 3 sides
  9. 14. A six sided polygon
  10. 15. A decagon has how many sides?
  11. 18. A shape with atleast 3 straight sides that connect
  12. 19. A 7 sided polygon
Down
  1. 2. These lines cross only once
  2. 3. a 10 sided polyogn
  3. 5. How many sides does a triangle have?
  4. 9. This polygon has 8 sides
  5. 10. Perpendicular lines make these type of angles
  6. 11. A 5 sided polygon
  7. 16. A nonagon has how many sides?
  8. 17. This polygon has 9 sides