Question

A medida do arco menor AB e 80°. Determine as medidas x e y indicadas na figura.​

Answer 1

$\boxed{\begin{array}{l}\sf y=80^\circ\\\sf x=\dfrac{80^\circ}{2}=40^\circ\\\huge\boxed{\boxed{\boxed{\boxed{\sf\red{\maltese} ~\blue{alternativa~d}}}}} \end{array}}$