Respuesta :

Step-by-step explanation:

By inscribed angle theorem:

[tex] m\angle ABC = \frac{1}{2} \times m\overset{\frown} {AC} \\\\

\therefore \:m\angle ABC = \frac{1}{2} \times 50°\\\\

\huge\purple {\boxed {\therefore \:m\angle ABC = 25°}} [/tex]