Geometry Jumble

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Across
  1. 2. A closed figure with three or more sides
  2. 3. The space contained within a shape
  3. 4. A three-sided polygon
  4. 7. The amount of space an object occupies
Down
  1. 1. A balanced arrangement of parts
  2. 2. The distance around a shape
  3. 5. The distance from the center to the edge of a circle
  4. 6. A figure formed by two rays with a common endpoint