Notes - 21.1 Parallel Lines

Question 1

Parallel Lines:

Answer 1

Two lines on the same plane that are always the same distance apart and never meet

Question 2

Transverse Lines:

Answer 2

A line that intersects two lines in the same plane at two different points

Question 3

of angles formed when a transversal cuts a set of pararrel lines

Answer 3

8 angles are formed

Question 4

Corresponding Angle:

Answer 4

Lie on the same side of the transversal t, on the same side of lines m and n

Question 5

Alternate Interior Angle:

Answer 5

Nonadjacent angles that lie on opposite sides of the transversal t, between lines m and n

Question 6

Alternate Exterior Angles:

Answer 6

Nonadjacent angles that lie on opposite sides of the transversal t, outsides lines m and n

Question 7

Same-side Interior Angles

Answer 7

Lie on the same side of the transversal t, between line m and n

Question 8

The Vertex is the ____ variable

Answer 8

Middle

Question 9

Supplementary Angles:

Answer 9

Angles add up to 180 degrees

Question 10

Vertical Angles:

Answer 10

Opposite angles