geometry

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Across
  1. 1. TOA
  2. 4. the full distance across a circle
  3. 6. C = πd
  4. 8. a² + b² = c²
  5. 9. SOH CAH TOA
Down
  1. 2. No Infinitesimals
  2. 3. "undo"
  3. 5. Length × Width
  4. 7. CAH