Geometry - Polygons

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Across
  1. 3. a quadrilateral with four equal sides and four 90º angles
  2. 9. a polygon with eight sides and eight inside angles
  3. 10. a quadrilateral with two pairs of equal sides and two pairs of opposite equal angles
  4. 13. a quadrilateral with one pair of parallel sides
  5. 15. a polygon with ten sides and ten inside angles
  6. 17. a polygon with five sides and five inside angles
Down
  1. 1. a polygon with equal sides and equal interior angles
  2. 2. a quadrilateral with a pair of parallel sides and the other pair equal
  3. 4. a polygon with six sides and six inside angles
  4. 5. a polygon with four sides
  5. 6. a quadrilateral with two pairs of adjacent sides equal
  6. 7. a quadrilateral with four equal sides and
  7. 8. pairs of opposite equal angles
  8. 11. a quadrilateral with two pairs of equal sides and four 90º angles
  9. 12. line segments end to end making a closed figure. Each segment is called a side and the common end-points are the vertices
  10. 14. a polygon with twelve sides and twelve inside angles
  11. 16. the amount inside a 2-dimensional shape. The label is square units or units2