Respuesta :

1- the answer is 120

[tex]360 - (180 + 60) = 360 - 240 \\ = 120[/tex]



2- the answer is 74

[tex]360 - (135 + 77) = 360 - 212 \\ = 148 \\ \\ 148 \div 2 = 74[/tex]




3- it's 84
[tex]42 \times 2 = 84[/tex]





good luck