geometry

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Across
  1. 2. radius squared x pi
  2. 5. 3 sides
  3. 7. sideways rectangle
  4. 9. pi x a number
Down
  1. 1. our math teacher
  2. 3. 3.14
  3. 4. round
  4. 6. two times the radius
  5. 8. cm,in,ft what are these
  6. 10. half of what??