Answer:
Step-by-step explanation:
→ Angle = 180
→ [tex]n^o+108^o+2n^o=180^o[/tex]
→ [tex]3n^o+108^o=180[/tex]
→ [tex]3n^o=72^o[/tex]
→ [tex]n=72^o/3[/tex]
→ [tex]n=24[/tex]
∠DOB= 2n = 2× 24°
∠DOB= 48°
[tex]-----------[/tex]
hope it helps...
have a great day!!
