Crossword Puzzle

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Across
  1. 1. Two sets of parallel quadrilateral
  2. 3. A rectangle with two adjacent sides equal.
  3. 4. A triangle has three different lines.
  4. 5. The shortest distance in the graph.
  5. 7. The intersection of three bisectors.
  6. 9. The most common three-sided figure's name.
  7. 10. Divide a line into two equal parts.
  8. 11. A triangle has two same lines.
  9. 14. Intersection of three perpendicular lines
  10. 15. The center of the graph.
  11. 16. Divide a line equally and vertically
  12. 17. The length of a figure.
Down
  1. 2. The most special triangle, with 3 same lines.
  2. 6. The intersection of three perpendicular bisectors
  3. 8. A parallelogram with two adjacent sides equal
  4. 12. The most common four-sided
  5. 13. A parallelogram with two right angle.