Geometry 4-1 and 4-2 Vocabulary

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Across
  1. 3. All the points outside a figure
  2. 5. The theorem 4-2-4 states that an exterior angle is equal to the sum of the __________.
  3. 10. A triangle with no congruent sides
  4. 11. A triangle with three acute angles
  5. 13. A theorem that states that the sum of the angles in a triangle is 180 degrees
  6. 15. All the points inside a figure
Down
  1. 1. An angle formed by a side of a triangle and an extended adjacent side
  2. 2. The theorem 4-2-3 states that the __________ of each angle in an equiangular triangle is 60 degrees
  3. 4. An angle inside a triangle
  4. 5. An interior angle that is not adjacent to the exterior angle
  5. 6. A triangle with one obtuse angle
  6. 7. A triangle with three congruent sides
  7. 8. A triangle with three congruent angles
  8. 9. A triangle with two congruent sides
  9. 12. The theorem 4-2-2 states that the acute angles of a right triangle are __________.
  10. 14. A triangle with one right angle