5. Calculează perimetrul: a) unui pătrat cu latura de 3 cm; b) unui dreptunghi cu lungimea de 26 cm şi lățimea de 2 dm. I a) unui pătrat cu latura de 5 cm; b) unui dreptunghi cu lungimea de 3 dm şi lățimea de 24 cm. nu

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26 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
5. Calculează perimetrul: a) unui pătrat cu latura de 3 cm; b) unui dreptunghi cu lungimea de 26 cm şi lățimea de 2 dm. I a) unui pătrat cu latura de 5 cm; b) unui dreptunghi cu lungimea de 3 dm şi lățimea de 24 cm. nu

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perimetrul patrat=4* l patrat=4*3=12 cm

p dreptunghi=2(L+l)=2*(2,6 dm+2dm=9,2 dm

p patrat=4*l=4*5=20 cm

p dreptunghi=2(L+l)=2(30cm+24 cm)=108 cm

Răspunsul a fost dat în data 26 Agustus 2025
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Răspunsul a fost dat în data 26 Agustus 2025

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