Geometry Vocabulary

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Across
  1. 4. a quadrilateral whose opposite sides are parallel and equal
  2. 7. a triangle that contains an obtuse interior angle
  3. 8. a quadrilateral with one pair of parallel sides
  4. 9. an angle less than 90 degrees but more than 0 degrees
  5. 11. a triangle with two equal sides
  6. 14. the 90 degree angle between two perpendicular lines
  7. 15. a triangle with equal sides and angles
  8. 16. measurement of an angle
  9. 17. a polygon with four equal sides and four right angles
  10. 19. a three-sided polygon
  11. 21. The amount of turn between two lines around their common point
  12. 22. a parallelogram with four right angles
  13. 23. the same size and shape
  14. 24. triangle a triangle whose interior angles are all less than 90 degrees
Down
  1. 1. a triangle where all the sides have different lengths
  2. 2. lines that run alongside but never touching one another
  3. 3. at a right angle to or from something
  4. 5. an angle between 90 and 180 degrees
  5. 6. a closed figure bounded by straight sides
  6. 10. a four-sided polygon
  7. 12. a triangle with one right angle
  8. 13. having the same value
  9. 18. height of a triangle; perpendicular from one side to the opposite interior angle
  10. 20. a parallelogram with four equal sides whos opposite interior angles are equal