In the diagram shown, line mm is parallel to line nn. cruz says that ∠4∠4 and ∠6∠6 are congruent angles. is he correct? why or why not?
a) yes, because they are both obtuse angles
b)yes, because ∠4∠4 and ∠7∠7 are congruent corresponding angles, and ∠6∠6 and ∠7∠7 are vertical angles.
c)no, because ∠4∠4 and ∠6∠6 are not right angles.
d)no, because ∠4∠4 and ∠5∠5 are not congruent, and ∠5∠5 and ∠6∠6 are not congruent.