Shape: An Element of Art

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Across
  1. 3. an object defined by its edges
  2. 5. an irregular shape such as a cloud
  3. 7. an oblong geometric shape with 90 degree corners
Down
  1. 1. a geometric shape with 4 sides
  2. 2. a regular type of shape such as a square
  3. 4. regular shapes used to assemble more complex shapes (2d_________)
  4. 6. a round geometric shape