Writing Proofs
Try it
Given: m || n, 21 23
Prove: plla
Statements
1. m || n
Reasons
1. given
9
р
2.4
2. alternate interior es
theorem
3. given
1
n
3. 21 23
3
N
m
4.22 2 23
4.
5.pl a
5.
Complete the two-column proof.
