Geometry

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Across
  1. 3. a shape with opposite equal acute angles
  2. 6. a shape with 2 sets of parallel sides
  3. 7. a shape with 5 sides
  4. 9. a shape with 4 right angles and different side lengths
  5. 10. a shape with 3 sides
Down
  1. 1. a shape with no angles
  2. 2. a shape with 4 sides
  3. 4. a shape with 4 right angles
  4. 5. a quadrilateral with only 1 set of parallel sides
  5. 8. a shape with 7 sides