CK-12 Geometry - Second Edition

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines

For Questions 3-5, fill in the blanks in the proofs below.

3.Given:l||m,p||qProve:^61 ∼=^62

TABLE3.6:

Statement Reason

1.l||m 1.

2. 
   
   
   
   2. Corresponding Angles Postulate
      3.p||q 3.
   
   
   
   


3. 
   
   
   
   4. 5.^61 ∼=^62 5.
   
   
   
   

4.Given:p||q,^61 ∼=^62 Prove:l||m

TABLE3.7:

Statement Reason

1.p||q 1.

2. 
   
   
   
   2. Corresponding Angles Postulate
      3.^61 ∼=^62 3.
   
   
   
   


3. 
   
   
   
   4. Transitive PoC
   
   
   
   


4. 
   
   
   
   5. Converse of Alternate Interior Angles Theorem
   
   
   
   

5.Given:^61 ∼=^62 ,^63 ∼=^64 Prove:l||m