Geometry Vocabulary

1234567891011121314151617
Across
  1. 2. lines that lie in different planes and are neither parallel nor intersecting
  2. 3. angles that are opposite each other and are congruent
  3. 6. an angle that is 90 degrees
  4. 8. angles that add to 180 degrees
  5. 9. part of a line that begins at a particular point (called the endpoint) and extends endlessly in one direction
  6. 10. angles that have equal measures
  7. 11. an exact position or location on a plane surface
  8. 12. the part of a line that connects two points. It has definite end points
  9. 13. a flat surface that extends indefinitely in all directions
  10. 14. angles that share a side and are supplementary
  11. 16. the common point where two lines meet
  12. 17. an angle that is between zero degrees and 90 degrees
Down
  1. 1. an angle that is between 90 degrees and 180 degrees
  2. 4. angles that add to 90 degrees
  3. 5. when two lines (or line segments, or rays) meet a common point called the vertex
  4. 7. have exactly one point in common
  5. 11. lines in the same plane that never intersect
  6. 12. an angle that is 180 degrees
  7. 15. a straight path that is endless in both directions