Step-by-step explanation:
Both numbers form. a diameter so add them to 180.
to find x.
[tex]9x + 23 + 31 = 180[/tex]
[tex]9x + 54 = 180[/tex]
[tex]9x = 126[/tex]
[tex]x = 14[/tex]
Answer:
X=14 hope that helps you out