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Aflati perimetrul si aria unui patrat cu latura de 15 cm.​

Răspuns :

[tex]P=4l=4\times 15=60\text{ }cm[/tex]

[tex]A=l^2=15^2=225\text{ }cm^2[/tex]

[tex]\it \mathcal{P}_{\Box}=4\cdot \ell=4\cdot15=60\ cm\\ \\ \\ \mathcal{A}_{\Box}=\ell^2=15^2=15\cdot15=225\ cm^2[/tex]