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calculeaza in cm patrati aria unui patrat cu latura de 2,7 m.

Răspuns :

2,7m=270cm
aria patratului=270×270=72900cm²

[tex]\it \ell= 2,7\ m = 2,7\cdot100\ cm =270\ cm \\\;\\ \mathcal{A} =\ell^2=270^2=72900\ cm^2[/tex]