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Un acvariu sub forma de paralelipiped dreptunghic cu dimensiunile de 31 cm, 25 cm si 50,5 cm (inaltimea) are grosimea sticlei de 5mm. Cati litri de apa incap in acvariu?


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Răspunsuri

2014-08-18T18:20:39+03:00
5mm=0,5cm

V=L*l*h= 31*25*50,5=  39137,5cm³

V=l*L*h
l=L=h=0,5

V=(0,5)³= 0,125cm³

39 137,5 -0,125= 39 137,375cm³  este volumul apei

39 137,375cm³= 39, 137 375dm³ = 39, 137 375l incap in acvariu
1 5 1
2014-08-18T18:39:07+03:00
5mm=0,5cmV=L*l*h= 31*25*50,5=  39137,5cm³V=l*L*hl=L=h=0,5V=(0,5)³= 0,125cm³39 137,5 -0,125= 39 137,375cm³ =V39 137,375cm³= 39, 137 375dm³ = 39, 137 375l IN ACVARIU