Respuesta :

[tex]\large{\rm{\underline{\underline{Answer:}}}}[/tex]

Angle ABD and Angle CBD are linear pair which means they add upto 180°. Thus,

➛ 7x + 40° + 2x + 41° = 180°

➛ 9x + 81° = 180°

➛ 9x = 99°

➛ x = 11°

Then, Angle ABD = 7(11°) + 40° = 117° (ans)