AREA

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Across
  1. 3. a quadrilateral with four right angles and two pairs of sides that are the same length
  2. 6. a polygon with four sides, four angles, and four vertices
  3. 9. the unit area is measured in
  4. 11. a closed 2-dimenstional figure with straight lines
Down
  1. 1. a polygon made up of two or more quadrilaterals
  2. 2. a quadrilateral (or type of rectangle) with four right angles and all sides the same length
  3. 4. the amount of surface inside a figure
  4. 5. how wide an object is
  5. 7. a property that decomposes a large rectangle into two in order to make finding the area easier
  6. 8. the operation used to find the area of a rectangle or square
  7. 10. the first step to finding the area of an irregular figure
  8. 12. how long an object is