Geometry terms

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Across
  1. 2. The simplest angle
  2. 4. Withs four side and four rights angles
  3. 5. Sometimes triangle, sometimes cercle, is very important in a solid
  4. 9. Sometimes in geometry, sometimes in Egypt
  5. 10. The form of the Earth
Down
  1. 1. Solid with two cercles
  2. 3. With six squares
  3. 6. Sometimes in geometry, sometimes with ice cream
  4. 7. Solid with five triangles
  5. 8. We draw it with a ruler