Geometry Crossword

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Across
  1. 4. lines in a plane that do not meet
  2. 6. the angles opposite each other when two lines cross
  3. 8. relationship between two lines which meet at a right
  4. 10. a rectangle having all four sides of equal length
  5. 11. (90 degrees)
  6. 13. the act of reflecting or the state of being reflected
  7. 14. next to; adjoining
  8. 15. changing a shape using turn,flip,slide,or resize
  9. 18. 4 sided flat shape with straight sides
  10. 19. act of expanding or the state of being expanded
  11. 20. pairs of parallel sides
Down
  1. 1. Intersection point of two sides of a plane figure
  2. 2. opposite the right angle, the side of a right triangle
  3. 3. a polygon with four edges and four vertices or corners
  4. 5. corresponding
  5. 7. a simple (non-self intersecting) quadrilateral with
  6. 9. distance around the circle
  7. 12. a circular movement
  8. 16. a location
  9. 17. straight
  10. 18. a parallelogram with four equal sides and opposite equal