Răspuns :
Salut!
[tex] { \red{ aria_{disc} = \pi {r}^{2} } } [/tex]
[tex] \: aria_{disc} = 256\pi {cm}^{2} [/tex]
[tex] \blue{ \boxed{raza = \sqrt{ aria_{disc}} } } [/tex]
[tex]raza \: = \sqrt{256} \\ raza = 16cm[/tex]
[tex] { \red{ aria_{disc} = \pi {r}^{2} } } [/tex]
[tex] \: aria_{disc} = 256\pi {cm}^{2} [/tex]
[tex] \blue{ \boxed{raza = \sqrt{ aria_{disc}} } } [/tex]
[tex]raza \: = \sqrt{256} \\ raza = 16cm[/tex]