maths

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Across
  1. 2. angle size of an equilateral triangle
  2. 5. base x height
  3. 7. 1% of 300
  4. 9. half of 8
  5. 11. 43 x 21
  6. 12. lines of symmetry in a rectangle
Down
  1. 1. sides of a hexagon
  2. 3. 7th multiple of four
  3. 4. 7th prime number
  4. 6. an angle above 180 degrees
  5. 7. 264/12
  6. 8. an angle under 90 degrees
  7. 10. 90 minutes past 9.00