Shapes Crossword

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Across
  1. 4. figure with no sides or vertices
  2. 7. polygon with 4 sides of equal length and 4 right angles
  3. 8. polygon with 4 sides and 4 right angles
  4. 9. polygon with 3 sides and vertices
Down
  1. 1. polygon with 4 sides and vertices
  2. 2. diamond-shaped polygon with 4 sides of equal length
  3. 3. 4-sided polygon with at least one pair of parallel sides
  4. 5. polygon with 6 sides and vertices
  5. 6. polygon with 8 sides and vertices