Across
- 4. two non-adjacent angles that lie on opposite sides of a transversal and outside two parallel lines
- 5. distance between is the same
- 8. two non-adjacent angles that lie on opposite sides of a transversal and inside two parallel lines
- 10. a line that intersects two or more coplanar lines at different points
- 12. opposite angles that share a common vertex
- 13. two lines that never intersect but are not parallel
Down
- 1. two adjacent angles that lie on the same side of a transversal and in between two parallel lines
- 2. two angles that are in the same relative position at each intersection of a transversal
- 3. lines that lie in the same plane and never intersect
- 6. lines that intersect at a 90 degree angle
- 7. the union of two rays that have the same endpoint
- 9. a statement that is believed to be true and accepted without proof
- 11. a mathematical argument in which true statements are linked together
