Connect with a knowledgeable community and get your questions answered on IDNLearn.com. Ask any question and get a thorough, accurate answer from our community of experienced professionals.
Answer: B.
m<1 = 123.45 degrees.
Step-by-step explanation:
Vertical angles are always congruent, so they are equal and the same.
Since the two are vertical angles, they have the same number of degrees.