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Across
  1. 3. = Not between the given sides or angles.
  2. 7. = A polygon with exactly three sides.
  3. 9. = Right triangle congruence theorem.
  4. 13. statement = A statement showing corresponding vertices in order.
  5. 14. = Congruence using three corresponding sides.
  6. 16. = A line segment of a polygon.
Down
  1. 1. = Congruence using two angles and a non-included side.
  2. 2. = The longest side of a right triangle.
  3. 4. triangle = A triangle with one 90° angle.
  4. 5. = Congruence using two angles and the included side.
  5. 6. = Formed by two rays sharing an endpoint.
  6. 8. = One of the two sides forming the right angle.
  7. 10. = Congruence using two sides and the included angle.
  8. 11. = Matching parts of two figures.
  9. 12. = Having the same size and shape.
  10. 15. = Between two given sides or angles.