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raportul perimetrelor a doua patrate este 2/3. determinati raportul ariilor lor.



Răspuns :

[tex]\dfrac{P_1}{P_2}=\dfrac23=\dfrac{l_1}{l_2}[/tex]

[tex]\dfrac{A_1}{A_2}=\dfrac{l_1^2}{l_2^2}=\left(\dfrac{l_1}{l_2}\right)^2=\dfrac49[/tex]