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Description: Parallel Lines and Transversal Lines
Image copyright: Paint
2. angle-the amount of turning between two lines meeting at a common point
3. parallel-lines that are the same distance apart
4. perpendicular-at right angles to the horizon
5. adjacent angle-next to
6. alternate exterior angle-a pair of parallel lines that are intersected by a transversal, the outside angles
7. alternate interior angle- a pair of parallel lines that are intersected by a transversal, the inside angles
8. vertical angle-a pair of angles directly opposite each other, formed by the intersection of straight lines
9. acute angle-an angle measuring less than 90*
10. obtuse angle-an angle measuring more than 90*
11. right angle-an angle measuring exactly 90*
Key:
1. parallel lines: line segment AB, CD
2. transversal lines: line segment EF
3. adjacent angles: 1&3, 3&2, 2&4, 4&1, 5&7, 7&6, 6&8, 8&5
4. alternate exterior angles: 1&6, 2&7
5. alternate interior angles: 2&5, 3&8
6. vertical angles: 1&2, 4&3, 5&6, 7&8
7. acute angles: 3&4, 7&8
8. obtuse angles: 1&2, 5&6
9. right angles: N/A
