Geometry Vocabulary

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Across
  1. 3. points that all fall on the same line
  2. 4. a idea assumed to be true
  3. 6. the distance between two opposite points on a circle
  4. 9. a point marking the end of a ray or segment
  5. 10. a shape mirrored across a point / an image shown in still water or a mirror
  6. 12. a geometric shape before a transformation
  7. 13. a flat, infinitely thin, surface that goes on indefinitely / a mode of transport that flies
  8. 15. the boundaries of a 2D shape
  9. 17. a geometric shape after a transformation / a synonym for picture
  10. 18. a single side of a triangle / something we use to walk
Down
  1. 1. half the distance of the diameter
  2. 2. where two or more edges meet
  3. 3. an X,Y pair
  4. 5. the side opposite to the right angle of a right angle triangle
  5. 7. to have equal measurements but not properties
  6. 8. divide into two equal halves
  7. 11. points on the same plane
  8. 13. the circumference of a circle divided by the diameter / something eaten during thanksgiving
  9. 14. a well defined section of a line
  10. 16. the distance from the top of something to its base