Complete the missing parts of the paragraph proof. Given: 7 || m; 21 2 23
Prove: p lla
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
Z
1
2
m
3