Angle Relationships

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Across
  1. 7. an angle formed by one side of the triangle extension of an adjacent side of the triangle
  2. 8. two lines that never touch
  3. 9. angles in the same relative position
  4. 12. adjacent angles formed by intersecting lines that add up to 180 degrees
  5. 13. angles outside the parallel lines and on the same side of the transversal
  6. 14. angles inside the parallel lines and on the same side of the transversal
Down
  1. 1. angles outside the parallel lines and on opposite sides of the transversal
  2. 2. the sum of the three angles of a triangle always equals 180 degrees
  3. 3. two angles that add up to equal 180 degrees
  4. 4. two angles that add up to equal 90 degrees
  5. 5. angles inside the parallel lines and on opposite sides of the transversal
  6. 6. the two interior angles of a triangle that are not adjacent to the exterior angle
  7. 10. a line that intersects parallel lines
  8. 11. a pair of angles formed by intersecting lines