Chapter One

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Across
  1. 3. a location
  2. 5. a closed figure whose sides are all segments
  3. 7. all sides and angles are congruent
  4. 9. can be measured due to endpoints
  5. 10. ratio of the absolute error to the actual measure
  6. 12. creating geometric figures without a measuring tool
  7. 13. part of a line
  8. 14. made up of points and has no thickness or width
  9. 15. when segments have the same measure
  10. 16. two angles' sum equal 90 degrees
  11. 19. 12-sided polygon
  12. 20. two angles that lie in the same plane
Down
  1. 1. two angles' sum equal 180 degrees
  2. 2. examples: point, line, and plane
  3. 4. examples: polygons and circles
  4. 6. a segment line that intersects a segment at its midpoint
  5. 8. a common endpoint
  6. 11. a boundless, three-dimensional set of all points
  7. 17. lines that form right angles
  8. 18. the middle of two endpoints