Identifying Missing Components of a Paragraph Proof Complete the missing parts of the paragraph proof.
Given: 1 || m; 21 223
Prove: plla
р
9
We know that angle 1 is congruent to angle 3 and that
line lis parallel to line m because
. We see that
is congruent to
by the alternate
interior angles theorem. Therefore, angle 1 is
congruent to angle 2 by the transitive property. So, we
can conclude that lines p and q are parallel by the
1
2
m
3