Prove Lines are Parallel

1
Prove Lines are Parallel

• 3.3

2
In this section

• Essential Question
• How do you prove lines parallel?
• M11.B.2.1, M11.C.1.2, M11.D.2.1
• We will be using what we know about corresponding
  angles, alternate interior, alternate exterior,
  and consecutive interior angles to prove that two
  lines are congruent.

3
(No Transcript)
4
Are the lines parallel?
5
Are these lines parallel?
6
What value for x would make these lines parallel?
4X 120
X 30
7
What value for x will make the lines parallel?
4x - 28 100
4x 128
X 32
8
(No Transcript)
9
Are these parallel?
10
What value for x would make the lines parallel?
2x 80
x 40
11
(No Transcript)
12
Are the lines parallel?
13
What value for x would make the lines parallel?
5x 20 90
5x 70
x 14
14
(No Transcript)
15
What value for x would make these lines parallel?
3x 15 75 180
3x 90 180
3x 90
X 30
16
(No Transcript)
17
(No Transcript)
18
Worksheet