
Introduction to Parallel Line Proofs
Presentation
•
Mathematics
•
10th Grade
•
Hard
Joseph Anderson
FREE Resource
4 Slides • 12 Questions
1
RTI 3.3 Proofs with Parallel Lines
“Successful people begin where failures leave off. Never settle for ‘just getting the job done.’ Excel!”
- Tom Hopkins
2
3
4
5
Multiple Choice
What is the reason the two lines are parallel? #2
Converse of the Corresponding Angles Theorem
Converse of the Alternate Interior Angles Theorem
Converse of the Alternate Exterior Angles Theorem
Converse of the Consecutive Interior (Same-Side Interior) Angles Postulate
Not Enough Information to Prove Parallel
6
Multiple Choice
Find the value of x that makes line u parallel to v. #1
x = 6
x = 10
x = 30
x = 5
7
Multiple Choice
What value of x would make the lines parallel? #3
13
35
37
78
102
8
Multiple Choice
Which value of x will show that lines l and m are parallel? #4
9
Multiple Choice
What value of x proves that line p is parallel to line r? #5
10
Multiple Choice
Which of the following relationship proves that j is parallel to k? #7
11
Multiple Choice
Which condition will prove that line l is parallel to line m? #8
12
Multiple Choice
Which could be used to prove the lines are parallel? #10
13
Multiple Choice
Which could be used to prove the lines are parallel? #11
14
Multiple Choice
If m∠7 + m∠8 = 180°, which of the following can be concluded? #19
r is parallel to s by converse of Alternate Interior Angles Thm.
r is parallel to s by Converse of Consecutive Interior Angles Thm
s is ⊥ u by Converse of Alternate Interior Angles Thm
v ⊥ r by Converse of Alternate Exterior Angles Thm
15
Multiple Choice
If ∠1 ≌∠2, which of the following can be concluded? #21
r is parallel to s by Converse of Corresponding Angles Thm.
u is parallel to v by Converse of Corresponding Angles Thm
s is ⊥ u by Converse of Alternate Interior Angles Thm
v ⊥ r by Converse of Alternate Exterior Angles Thm
16
Multiple Choice
For what value of x are the two lines m and n parallel?
What is the angle relationship between the 2 angles? #25
x = 9 by Alternate Exterior Angles
x = 39 by Alternate Exterior Angles
x = -9 by Alternate Interior Angles
x = 7 by Corresponding Angles
RTI 3.3 Proofs with Parallel Lines
“Successful people begin where failures leave off. Never settle for ‘just getting the job done.’ Excel!”
- Tom Hopkins
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