does anyone know how to do this-​

Does Anyone Know How To Do This class=

Answer :

Step-by-step explanation:

117+114= 231

360-231= 129

Now find two numbers that add up to 129

Answer:

63°

Step-by-step explanation:

B + 117° = 180° (angles on the same side of transversal)

B = 180° - 117°

B = 63°