Resposta :
[tex] \pi = \frac{c}{d} [/tex]
[tex]c=\pi.d\\c=16.\pi\\c=50,24~cm[/tex]
[tex]S=\pi.R^2\\S=8^2.\pi\\S=200,96~cm^2[/tex]
[tex]c=\pi.d\\c=16.\pi\\c=50,24~cm[/tex]
[tex]S=\pi.R^2\\S=8^2.\pi\\S=200,96~cm^2[/tex]