Maths year 9

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Across
  1. 2. name of longest side right angle triangle
  2. 5. greek mathematician who created formula to find missing lengths
  3. 7. name we give for finding average
  4. 8. name of a number that appears more than others
  5. 9. name given in construction for cutting line in half
  6. 10. name for 10 sided shape
  7. 13. triangle with 2 equal sides
  8. 17. type of interest where you calculate percentage
Down
  1. 1. we use this word to describe how steep a line is
  2. 3. what we call when solving and finding a number
  3. 4. name given for line that cuts y axis
  4. 6. type of graph where we use correlation
  5. 7. middle number of a set of numbers
  6. 11. classroom is a type of what 3d shape
  7. 12. a famous building in US but its a polygon
  8. 14. 3d shape used in holding liquids
  9. 15. when two angles are equal on a point
  10. 16. name of triangle which no equal sides