Shape and Space Quiz: Polygons

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Across
  1. 2. I have one side and no angles. What am I?
  2. 3. I am a parallelogram with 4 equal sides but I am NOT a square. What am I?
  3. 9. I am a category of shape where all sides and all angles are equal. What am I?
  4. 11. I am a polygon, but I am not a quadrilateral. I have 3 sides and 3 angles. Sometimes my angles and sides are equal and sometimes they are not. What am I?
  5. 12. Opposite of convex?
  6. 13. A type of triangle where all sides are equal in length?
  7. 14. A shape with 7 sides is called a decagon. True or False?
Down
  1. 1. Opposite of irregular?
  2. 4. A type of triangle where no two sides are equal in length?
  3. 5. I have 4 sides. Opposite sides are the same length. What am I?
  4. 6. A type of triangle where only 2 sides are equal in length?
  5. 7. Number of sides in an octagon?
  6. 8. Number of sides an octagon and a pentagon have combined?
  7. 10. I have 4 equal and 4 equal angles. What am I?