Geometry Vocab Review

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Across
  1. 7. a triangle containing one angle measuring greater than 90 degrees but less than 180 degrees
  2. 8. lines that intersect to form right angles
  3. 10. lines in a plane that do not intersect
  4. 12. a part of a line between 2 endpoints
  5. 14. a triangle with all measures less than 90 degrees
  6. 17. a triangle with 3 congruent sides
  7. 19. two angles whose measures add to 90 degrees
  8. 20. a straight path that extends without end in opposite directions
  9. 21. an angle that measures less than 90 degrees
Down
  1. 1. an angle that measures more than 90 degrees and less than 180 degrees
  2. 2. an angle that measures 90 degrees
  3. 3. a triangle with at least 2 congruent sides
  4. 4. states that the measures of the angles in a triangle add to 180 degrees
  5. 5. two angles whose measures have a sum of 180 degrees
  6. 6. a line that intersects 2 or more lines
  7. 9. a closed plane figure formed by 3 or more line segments that intersect only at their endpoints
  8. 11. a triangle containing an angle that measures 90 degrees
  9. 13. a pair of opposite congruent angles formed by intersecting lines
  10. 15. a triangle with no congruent sides
  11. 16. having the same size and shape
  12. 18. a flat surface that extends forever