Ava's Maths Standard Crossword

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Across
  1. 6. h/2(df + dl)
  2. 8. opposite/hypotenuse
  3. 9. FV=PV(1+r)^n
  4. 11. IQR = Q3-Q1
  5. 12. opposite/adjacent
  6. 14. c2 = a2 + b2 - 2abcosC
  7. 15. x/3602πr
  8. 16. M/N = m/n
  9. 17. V=Ah
  10. 18. y=mx+c
Down
  1. 1. C=2πr
  2. 2. 1/2absinC
  3. 3. P X R X T
  4. 4. a/sin A = b/sinB = c/sinC
  5. 5. c2 = a2 + b2
  6. 7. adjacent/hypotenuse
  7. 10. 1/2 x Precision
  8. 13. A=πr2