Geometry

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Across
  1. 3. where an image moves
  2. 6. a shape with all equal sides and angles
  3. 9. all sides the same
  4. 13. series of shapes forming a sort of tiling
  5. 16. is like a translation but on the coordinate system
  6. 17. you can draw lines in a shape and it’s always the same on both sides
  7. 18. flips over its own axis
  8. 19. one right angle and two acute ones
  9. 20. how something is represented in appearance
  10. 21. the point that something is rotated on
Down
  1. 1. a y and x axis with positive and negative coordinates
  2. 2. 3 angles less than 90°
  3. 4. two sides of equal length
  4. 5. where two shapes are the same but different sizes or angles
  5. 7. 3 unequal sides
  6. 8. when an image pivots into another position
  7. 10. one quarter of the coordinate system
  8. 11. how an images position appears
  9. 12. one interior angle over 90°
  10. 14. any movement in a shape
  11. 15. it always looks them same when you rotate it