Geometry Crossword

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Across
  1. 2. a plane figure with at least three straight sides and angles
  2. 6. a quadrilateral with two pairs of adjacent sides that are congruent
  3. 7. a closed two-dimensional polygon with six sides
  4. 9. a two-dimensional shape with four sides, four vertices, and four angles
  5. 11. a quadrilateral with all equal sides
  6. 13. a polygon with seven sides and seven angles
Down
  1. 1. curved or rounded outward like the exterior of a sphere or circle
  2. 2. a quadrilateral that has both pairs of opposite sides parallel and equal
  3. 3. a polygon that has five sides and five angles
  4. 4. a closed 2-D, having four sides, four corners, and four right angles
  5. 5. a polygon with at least one interior angle greater than 180°
  6. 8. a flat closed shape having four straight sides, with one pair of parallel sides
  7. 10. a two-dimensional closed shape with four equal sides and four vertices
  8. 12. a polygon with eight sides and eight angles