Geometry Crossword Puzzle

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Across
  1. 2. When two halves match
  2. 5. A point shown on a graph
  3. 6. A polygon with 5 sides
  4. 7. Formed by two rays meeting at a point
  5. 11. A round figure with no corners
  6. 12. A shape with 4 equal sides
  7. 13. A quadrilateral with 4 right angles
  8. 14. A polygon with 3 sides
  9. 16. Lines that meet at 90°
  10. 18. Line through the center of a circle
Down
  1. 1. Longest side of a right triangle
  2. 3. Distance around a circle
  3. 4. A polygon with 6 sides
  4. 6. Distance around a figure
  5. 8. A closed shape with straight sides
  6. 9. Lines that never meet
  7. 10. The point where lines meet
  8. 11. Same size and shape
  9. 15. Amount of space inside a figure
  10. 17. Distance from center to edge of a circle