1. in figure B, ∠e=35°. what is the measure of ∠k?
a. 35° b.55° c.125° d.145°
2.in figure B, ∠u=70°. what is the measure of ∠s?
a.20° b.70° c.110° d.290°
3. if two lines are cut by a transversal, which of the following conditions is necessary to say that corresponding angles are congruent?
the two must_____.
a.be parallel
b.be perpendicular.
c. intersect
d.form angles.
4.in figure A, ∠1=45°. what is the measure of ∠5?
a.30° b.45° c.60° d.135°

5 in figure A, ∠4=140°.what is the measure o f ∠7?
a.40° b.50° c.140° d.220°