Respuesta :

Answer:

x=15

Step-by-step explanation:

165+x=180

x=180-165

x=15

BasketballEinstein

Answer:

15° = x

Step-by-step explanation:

By the Supplementary Angles Theorem, you add m<x by 165, and set that equal to 180°, or π. Of course you have to do the inverse of addition in order to get this, so deduct 165 from 180 to end up with 15.