Răspuns :
[tex]\it \mathcal{A}=\ell^2=476=24^2 \Rightarrow \ell = 24\ cm\\ \\ \mathcal{P}=4\cdot \ell = 4\cdot24=\\ \\ R=\ell\sqrt2/2=24\sqrt2/2=12\sqrt2\ cm[/tex]
[tex]\it \mathcal{A}=\ell^2=476=24^2 \Rightarrow \ell = 24\ cm\\ \\ \mathcal{P}=4\cdot \ell = 4\cdot24=\\ \\ R=\ell\sqrt2/2=24\sqrt2/2=12\sqrt2\ cm[/tex]