Crossword Puzzle

12345678910111213141516
Across
  1. 4. A parallelogram with two adjacent sides equal
  2. 7. Two sets of parallel quadrilateral
  3. 9. Divide a line into two equal parts.
  4. 10. The most common three-sided figure's name.
  5. 12. A rectangle with two adjacent sides equal.
  6. 13. The length of a figure.
  7. 15. The intersection of three perpendicular bisectors
  8. 16. The center of the graph.
Down
  1. 1. The most special triangle, with 3 same lines.
  2. 2. Intersection of three altitude lines
  3. 3. Divide a line equally and vertically
  4. 5. The most common four-sided
  5. 6. The shortest distance in the graph.
  6. 8. A parallelogram with two right angle.
  7. 11. A triangle has three different lines.
  8. 14. A triangle has two same lines.