[tex]\displaystyle\bf\\\textbf{The 2 notations are equivalent.}\\\\The~notation:~"m\widehat{ABC}"~is~equivalent~to~the~notation:~"m\angle\,ABC".\\\\\implies~~\boxed{\bf~m\angle\,ABC=m\widehat{ABC}=116^o}[/tex]
Answer:
116
Step-by-step explanation:
