Calculati aria unui dreptunchi cu semiperimetrul de 60 cm si latimea un sfert din lungime.
Vaaa rooog!

Răspunsul a fost dat de: USER9812
30 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
Calculati aria unui dreptunchi cu semiperimetrul de 60 cm si latimea un sfert din lungime.
Vaaa rooog!
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Cel mai bun răspuns
(139)
semiperim=L+l=60
l=L/4
L/4+L=60
L+4L=240
5L=240
L=48

l=48/4
l=12

Aria=lxL
Aria=576
Răspunsul a fost dat în data 30 Agustus 2025
(124)
P/2=60cm=L+l
l=L/4
L+L/4=60
4L+L=240
5L=240
L=48cm
l=48/4=12cm
A=Lxl=48x12=576cm  patrati
Răspunsul a fost dat în data 30 Agustus 2025

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