Round 5 - November 2023

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Across
  1. 2. the cube root of 8 billion
  2. 3. probability of throwing TWO HEADS when tossing two fair coins (percentage)
  3. 6. The name of a twelve-sided shape.
  4. 9. List the factors of 28 in ascending order
  5. 10. A chord cuts a circle into two ……………. ?
  6. 11. The height of an equilateral triangle of side 10cm (correct to 2dp)
  7. 14. the circle passing through the N and S poles and London.
  8. 16. 'pi' correct to 5 decimal places
  9. 19. The runway number of the left-hand runway at LHR when landing towards Windsor
  10. 20. circle on the Earth with a Latitude of 0 degrees
  11. 21. 9.3x107 is the distance of the Earth from the Sun in …………….
  12. 23. The name of the longest side of a right-angled triangle
  13. 24. How do we read the Greek letter Σ ?
Down
  1. 1. The first square number > 5000
  2. 2. 'e' correct to 5 decimal places
  3. 4. Perimeter of a semi-circle with diameter of 20cm, correct to five sig. figs.
  4. 5. Name of the LOWER part of a fraction
  5. 7. 265.5 when increased by 18%
  6. 8. The next FOUR numbers in the sequence starting -10, -3, 4, …, …, …, …
  7. 12. opposite angles in a Cyclic Quadrilateral are S . . . . . . . . . . . Y
  8. 13. When we multiply two numbers we are finding their …………. ?
  9. 15. If you divide a number into 1, you obtain the number’s …………….. ?
  10. 17. Row '4' of Pascal's triangle
  11. 18. Area of a circle radius 7.5, correct to six significant figures
  12. 22. A number is RATIONAL if it can be written as a ........ ?