dreptunghiul ABCD are are dimensiunile lungimea de 207 ×2, latimea de 55×2.Cu cat trebuie sa marim lungimea astfel incat perimetrul sa devina
de 1m

Răspunsul a fost dat de: USER4667
29 Agustus 2025 matematica 5 minute
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Întrebare

Clasă: Education Materie: matematica
dreptunghiul ABCD are are dimensiunile lungimea de 207 ×2, latimea de 55×2.Cu cat trebuie sa marim lungimea astfel incat perimetrul sa devina
de 1m
Întrebare a fost pusă de:
157 Vezi 157 Răspunsuri

Răspuns (157)

Cel mai bun răspuns
(117)
1000-(207·2+55·2)
=1000-(414+110)
=1000-524=
=476mm
R:Mai trebuie 476 mm
Răspunsul a fost dat în data 29 Agustus 2025

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Bonjour à tous !!

Intitulé de l'exercice :

SABCD est une pyramide régulière à base carrée, de sommet S et de hauteur SO.
AB = 4cm et SO = 5cm.
1. Représenter la pyramide en perspective cavalière.
2. Calculer le volume de la pyramide SABCD.
3. Dessiner le patron de la pyramide SABCD.
4. Calculer la longueur SA.

1. OK
2. OK V27cm3
3. OK
4. Hélas, c'est là qu'est l'os !!

Pouvez-vous m'aider S.V.P. ?
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