perimetrul unui teren in forma de dreptunghi are 80 cm.latimea este de 4 ori mai mica decat latimea.afla dimensiunile terenului.

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Clasă: Education Materie: matematica

Întrebare a fost pusă de: USER8589

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USER4223

Cel mai bun răspuns

(411)

Notam cu l=latimea si L=lungimea

P=2(L+l)
l=L/4

80=2(L +L/4); Amplificam primul L cu 4, pentru a aduce la acelasi numitor, si avem:

80=2(4L+L)/4
80= 2x5L/4
80=10L/4
10L=80x4
10L=320
L=320:10
L=32 cm

I=L/4
l=32:4
l=8 cm

Sper ca ti-am fost de ajutor!!!
Coronita?!!! :)))

Răspunsul a fost dat în data 30 Agustus 2025

perimetrul unui teren in forma de dreptunghi are 80 cm.latimea este de 4 ori mai mica decat latimea.afla dimensiunile terenului.

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Răspuns (128)

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Which phrases describe the life of a slave in colonial times?

Select all answers that are correct.

A. worked to save money for the future

B. seen as someone's property like a horse or cow

C. paid with a share of the crop

D. lived in a cabin near tobacco or rice fields

(1/3+2/4+3/-4/6+10/100)×0+3/4-2/4

Distanta intre stele se masoara in ani lumina.Stiind ca distanta de la Pamant la cea mai apropiata stea este de 5 ani lumina,exprima in km aceasta distanata.

Va rog toata rezolvarea.

Petite question en math :
Si les côtés opposés un quadrilatère sont parallèles deux à deux ils sont de même longueur non ?