Geometry Vocabulary

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Across
  1. 2. A line, ray, or segment that passes through the midpoint of a segment.
  2. 6. Formed by two rays with a common endpoint.
  3. 8. Lines that intersect to form a right angle.
  4. 10. Points that lie on the same line.
  5. 11. A location in space with no size or shape.
  6. 12. The common endpoint of an angle's rays.
  7. 15. Two angles whose measures add up to 90 degrees.
  8. 17. Two non-adjacent angles formed by intersecting lines.
  9. 18. A part of a line that has one endpoint and extends infinitely in one direction.
  10. 19. Two angles whose measures add up to 180 degrees.
Down
  1. 1. An angle that measures exactly 90 degrees.
  2. 3. A point that divides a segment into two congruent segments.
  3. 4. Two adjacent angles whose non-common sides form a straight line.
  4. 5. A ray that divides an angle into two congruent angles.
  5. 7. An angle that measures exactly 180 degrees.
  6. 9. A straight path that extends infinitely in both directions.
  7. 11. A flat surface that extends infinitely in all directions.
  8. 13. Objects that lie on the same plane.
  9. 14. A part of a line with two endpoints.
  10. 16. Lines that are in the same plane and never intersect.