Salut! ( ☆‿☆ )
Raportul perimetrelor a doua pătrate este 2/3.
Determinati raportul ariilor lor.
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[tex] \frac{P1}{{P2}} = \frac{2}{3} = \frac{l1}{l2} \\ [/tex]
[tex] \frac{A1}{A2} = \frac{l \frac{2}{1} }{l\frac{2}{2} } = ( \frac{l1}{l2} )^{2} = \frac{4}{9} \\ [/tex]
Bafta! =)