3.1 Properties of Parallel Lines Flashcards
1
Q
transversal
A
A line that intersects two coplanar lines at two distinct points
2
Q
Alternate interior angles
A
nonadjacent interior angles that lie on the opposite sides of the transversal
3
Q
Alternate exterior angles
A
nonadjacent exterior angles that lie on opposite sides of the transversal
4
Q
Same-side interior angles
A
lie on the same side of the transversal on the interior
5
Q
same-side exterior angles
A
lie on the same side of the transversal on the exterior
6
Q
corresponding angles
A
line on the same side of the transversal and in corresponding positions
7
Q
two-column proof
A
proof where statements are aligned in columns