Geometry

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Across
  1. 1. parallelogram with consecutive sides congruent
  2. 4. triangle with all sides congruent
  3. 7. segments that have the same length
  4. 10. two angles whose sum is 180 degree
  5. 13. a point that divides the segment into two congruent segments
  6. 15. angle whose measure is 180 degrees
  7. 16. two coplanar angles with a common vertex and a common side between them
  8. 18. angle whose measure is greater than 90 degrees but less than 180 degrees
  9. 20. angle whose measure is 90 degrees
  10. 21. triangle with an obtuse angle
Down
  1. 2. triangle with no sides congruent
  2. 3. line, ray segment, or plane that divides a segment into two congruent segments
  3. 5. angles that have the same measure
  4. 6. two angles whose sum is 90 degrees
  5. 8. the figure formed by three segments joining three noncollinear points
  6. 9. the non-adjacent angles formed by two intersecting lines
  7. 11. ray that divides an angle into two congruent adjacent angles.
  8. 12. triangle with a right angle
  9. 14. triangle with at least two sides congruent
  10. 17. angle whose measure is between 0 degrees and 90 degrees
  11. 19. triangle that has all acute angles