Respuesta :

cinderofsoulsss

Answer:

∠3 = 107°

Step-by-step explanation:

Similar to the other question, ∠3 and ∠4 are supplementary and add up to 180 degrees as they make up the entirety of a straight line.

∠4 is 73°, so ∠3 has to be 107°.

rdevoid1

Answer:

107°

Step-by-step explanation:

If you add up angle 3 and angle 4 you will get 180°

subtract 73 from 180