👤

Daca aria unui patrat este 1296cm atunci cit are perimetrul?


Răspuns :

aria=1296 cm²⇒l=√1296=36 cm⇒Perimetrul=4l=4*36=144 cm.
[tex]A=l^2\ \textless \ =\ \textgreater \ 1296=l^2=\ \textgreater \ l=36\\\\ P=4*l\ \textless \ =\ \textgreater \ P=4*36=\ \textgreater \ P=144cm[/tex]