Answer:
[tex]m\angle 2=19^{\circ}[/tex]
Step-by-step explanation:
[tex]m\angle 1+m\angle 2=76^{\circ} \\ \\ 3m\angle 2+m\angle 2=76^{\circ} \\ \\ 4m\angle 2=76^{\circ} \\ \\ m\angle 2=19^{\circ}[/tex]
