Crossword Puzzle

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