Classifying Angles and Polygons

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Across
  1. 2. Triangle with no equal sides or angles
  2. 4. Angle exactly 90 degrees
  3. 8. A quadrilateral with only one set of sides that are parallel
  4. 9. A polygon with 4 sides
  5. 11. A quadrilateral, parallelogram, with 90 degree angles
  6. 12. Triangle with two equal sides and angles
  7. 13. A quadrilateral with opposites sides parallel
Down
  1. 1. angle less than 90 degrees
  2. 3. Triangle with equal sides and angles
  3. 5. Three sided polygon
  4. 6. Angle more than 90 degrees
  5. 7. Quadrilateral with 90 degrees angles and equal sides
  6. 10. Angle exactly 180 degrees