3.1: Properties of Parallel Lines

Question 1

Transversal

Answer 1

a line that intersects two coplanar lines at two distinct points.

Question 2

Alternate Interior Angles

Answer 2

nonadjacent interior angles that lie on opposite sides of the transversal.

Question 3

same-side interior angles

Answer 3

angles that lie on the same side of the transversal.

Question 4

corresponding angles

Answer 4

angles that lie on the same side of the transversal and in corresponding positions relative to the other lines.

Question 5

two-column proof

Answer 5

proof where statements are aligned in columns.

Question 6

alternate exterior angles

Answer 6

nonadjacent exterior angles that lie on opposite sides of the transversal.

Question 7

same-side exterior angles

Answer 7

exterior angles that lie on the same side of the transversal.