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Across
  1. 5. Theorem used to find missing sides on right angled triangle
  2. 6. Triangle with all sides different
  3. 7. Angle less than 90 degrees
  4. 10. Equal angles
  5. 16. Two shapes in the same proportion
  6. 18. Angles add up to 180 degrees
  7. 20. Equal angles
  8. 21. Used for construction
  9. 22. Two shapes exactly the same
  10. 23. Triangle with all sides equal
  11. 24. Equal angles
  12. 25. Most common piece of data
  13. 26. Top heavy fraction
  14. 28. Angle between 90 and 180 degrees
  15. 29. Latin word for place
  16. 30. Middle value of a set of data
  17. 31. Line from the centre of a circle to the edge
Down
  1. 1. Used to measure angles
  2. 2. Algebra not equal to anything
  3. 3. Spread of data
  4. 4. When shapes fit perfectly about a point
  5. 8. Reverse
  6. 9. 90 Degrees
  7. 11. Two equations at once
  8. 12. Equal distance
  9. 13. A shape
  10. 14. Angles that add to 180 degrees
  11. 15. Angle between 180 and 360 degrees
  12. 17. Triangle with one line of symmetry
  13. 19. Longest side of a right angled triangle
  14. 27. Quadrilateral with all sides equal and two sets of angles equal