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Across
  1. 5. The shortest side of a right triangle.
  2. 6. The longest side of a right triangle.
  3. 9. A polygon with ten sides.
  4. 12. A polygon with seven sides.
  5. 13. A four-sided shape with opposite sides of equal length and four right angles.
  6. 14. A polygon with nine sides.
  7. 15. A shape with all sides and angles of equal measure, like a square.
  8. 16. A polygon with four sides and opposite sides of equal length.
Down
  1. 1. A shape with three sides.
  2. 2. A three-dimensional shape with six equal faces.
  3. 3. A shape with six sides.
  4. 4. A polygon with five sides.
  5. 7. triangle A shape with all angles less than 90 degrees.
  6. 8. A shape with six sides.
  7. 10. A shape with eight sides.
  8. 11. A three-dimensional shape with a circular base and curved sides.
  9. 15. The number of faces on a cube.