Vocabulary - PIB Geometry Topic 3: Interior and Exterior Angles and Triangle Congruence

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Across
  1. 2. A two-dimensional closed shape with straight sides.
  2. 9. An angle formed on the interior of a polygon between adjacent sides. (2 words)
  3. 10. The side between two angles in a triangle. (2 words)
  4. 11. The _______ states that an object is congruent to itself. (2 words)
  5. 12. The angle between two sides of a triangle is called the ______. (2 words)
  6. 13. A(n) ____________ is formed between the side of a polygon and an extended adjacent side. (2 words)
  7. 14. This congruence criterion relies on two angles and the included side. (3 words)
Down
  1. 1. Having the same measure
  2. 3. A(n) _________ polygon has congruent angles and congruent sides.
  3. 4. This congruence criterion relies on two angles and the non-included side. (3 words)
  4. 5. 30-60-90 and 45-45-90 are two _______. (3 words)
  5. 6. A segment that connects two non-adjacent vertices in a polygon is called a ________.
  6. 7. n represents the number of ______ in a polygon.
  7. 8. __________ is the congruence criterion wherein two sides in a triangle and the included angle are congruent to those in another triangle. (3 words)