Oblicz objetość sześcianu wiedząc że jego pole całkowite (Pc) to 56cm^{2}
Do godziny 6 rano.
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Pc=6a²
56=6a²
V=a³
V= cm³
V= a³
P= 6a²
56cm² = 6a² /:6
9 ⅓cm² = a²
a² = 9 ⅓cm²
a = √9 ⅓cm² = √9⅓ cm
V= (√9⅓ cm)³
V= 729 1/81cm³
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Pc=6a²
56=6a²
V=a³
V= cm³
V= a³
P= 6a²
56cm² = 6a² /:6
9 ⅓cm² = a²
a² = 9 ⅓cm²
a = √9 ⅓cm² = √9⅓ cm
V= (√9⅓ cm)³
V= 729 1/81cm³