Respuesta :

Answer:

AOC = 104° (total from A to C)

BOC = 60°

AOB = 104 - 60 = 44°

[tex]ac = 104 = ab + bc \\ 104 = 7x + 30 + 9x + 42 \\ 104 = 16x + 72 \\ 16x = 32 \\ x = 2[/tex]

[tex]bc = 9x + 42 \\ = 9(2) + 42 = 60[/tex]