Triangle Congruency Proof Vocab

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Across
  1. 2. A line that splits something into two congruent parts.
  2. 3. A point that is halfway between two endpoints and splits a segment into two congruent parts.
  3. 5. The shortcut used when two triangles have two congruent sides and a congruent angle between those two sides.
  4. 8. The angles opposite each other when two lines cross.
  5. 9. The shortcut used when two triangles have two congruent angles and a congruent side between those two angles.
  6. 10. One of the congruency shortcuts you cannot use.
  7. 12. When two triangles share a side or angle, you use this reason in a proof.
  8. 13. Shortcuts like SSS, SAS, ASA, AAS, and HL prove that two triangles are _____.
  9. 14. The shortcut used when two triangles have three congruent sides.
Down
  1. 1. When two lines intersect and create a right angle, you use this definition in a proof.
  2. 4. The || symbol means that two lines are _____.
  3. 6. The shortcut used to prove that two right triangles are congruent when the hypotenuse and leg are marked congruent.
  4. 7. The shortcut used when two triangles have two congruent angles and a congruent side that is not between those two angles.
  5. 11. You mark two lines parallel by drawing _____ pointing the same direction.
  6. 14. One of the congruency shortcuts you cannot use.