math shapes

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Across
  1. 2. most cupboards are shaped like this
  2. 3. this shape has 1 face, 1 edge and no vertices
  3. 4. my water bottle is of this shape
  4. 6. my shape is used for making tents
  5. 8. I am seen only at night in the sky
  6. 9. I hold something cold that you love eating on a hot day
  7. 11. I have 3 equal sides and 3 corners
  8. 12. the letter B has a straight line and 2 of these
Down
  1. 1. I am flat and all my sides are of equal length
  2. 4. a shape that is used for when playing board games
  3. 5. I am long and infinite and I am also called a sleeping line
  4. 7. I have 5 faces, 8 edges and 5 vertices
  5. 10. I am egg shaped