Geometry terms

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Across
  1. 5. Sometimes in geometry, sometimes in Egypt
  2. 6. Two lines who don't touch
  3. 7. With a ruler and an arc
  4. 9. With four rights angles and four identicals sides
  5. 10. With six squares
Down
  1. 1. We draw it with a ruler
  2. 2. sometimes a triangle, sometimes a square, It's the most important in a solid
  3. 3. Who give the lenght withs centimeters
  4. 4. The most important in Pitagorea's theorem
  5. 8. Sometimes in geometry, sometimes with ice cream