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Marutza1234
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Un romb are diagonala de 6cm si 8 cm. Aflati lungimea laturii.

Răspuns :

Metodă 1: 3^2+4^2=AB^2=> AB^2=9+16=>AB=25=>AB=5 Metoda 2: √3^2+4^2=√9+16=√25=>5
PutereDinu
[tex]d_1=6 \ cm \\ d_2=8 \ cm \\ \boxed{l-?} \\ \bold{Rezolvare:} \\ \boxed{l^2= (\frac{d_1}{2} )^2+ (\frac{d_2}{2} )^2} \\ l^2= (\frac{6 }{2} )^2+( \frac{8}{2} )^2= 3^2+4^2 \\ l^2=9+16=25 \\ l=\sqrt{25} \\ \Rightarrow \boxed{l=5}[/tex]

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