Angles and Parallel Lines

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Across
  1. 4. angles that add to 180 degrees
  2. 5. lines that never intersect are____
  3. 9. ___ angles are equal in measure
  4. 10. the ___ addition postulate states that if a segment is broken into smaller segments,then the length of the segment must be the sum of the lengths of the smaller segments
Down
  1. 1. a line that intersects two or more lines
  2. 2. angles on the opposite side of the transversal, on the outside of the parallel lines
  3. 3. angles on the inside of the parallel lines and on opposite sides of the transversal
  4. 6. angles that have the same relative position
  5. 7. the property that states if a=b and b=c, then a=c
  6. 8. a two column ___ used deductive reasoning to show that something is true