Geometry Vocab

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Across
  1. 3. A statement that can easily be proved using a theorem.
  2. 5. The portion following 'if.'
  3. 6. Exchanging the hypothesis and the conclusion.
  4. 8. Two lines that do not intersect and are not in the same plane.
  5. 10. At least two sides of an angle are congruent.
  6. 12. A line or line segment added to a diagram to help in a proof.
  7. 13. Two lines that do not intersect.
  8. 18. All the sides of a triangle are congruent.
  9. 19. An angle with a measure less than 90 degrees.
  10. 21. An educated guess.
  11. 22. A unit of measurement.
  12. 23. The distance between two points.
  13. 25. No two sides of a triangle are congruent.
Down
  1. 1. formed by negating both parts of a conditional.
  2. 2. A line that intersects two or more lines in a plane at different points.
  3. 4. All the coordinate pints lie on a line and represent that line.
  4. 7. An angle formed by opposite rays.
  5. 9. A closed figure in a plane that is made up of segments.
  6. 11. Adjacent angles whose non-common sides are opposite rays.
  7. 14. An acute triangle in which all angles are congruent.
  8. 15. The set of points that are contained in both figures.
  9. 16. A section of a line.
  10. 17. The endpoints of a triangle.
  11. 20. The distance around a figure.
  12. 24. The side opposite the vertex angle.