Maths review

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Across
  1. 6. a transformation where he image a shape is similar to the original one
  2. 10. a measure of central tendency where all the numbers from a data set are added and divided by the total
  3. 11. a movement that followsxa direction
  4. 12. a ratio where the whole is 100
  5. 13. a turn
Down
  1. 1. angles that add up 180 degrees
  2. 2. a polygon with four sides
  3. 3. angles between parallel lines on opposite sides of a transversal
  4. 4. a comparison
  5. 5. the probability of an imposible event
  6. 7. a ratio where one part is the unit
  7. 8. a flip about a line
  8. 9. data given in ranges or intervalos