20 : 2 = 10
Podzielić wystarczy
V = 20 dm^3
a = 2 dm
----------
h = ?
Mamy
V = Pp*h = a^2 * h
Po podstawieniu otrzymamy
h = V / a^2 = 20 dm^3 / ( 2 dm)^2 = 20 dm^3 : 4 dm^2 = 5 dm
Odp. 5 dm
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20 : 2 = 10
Podzielić wystarczy
V = 20 dm^3
a = 2 dm
----------
h = ?
Mamy
V = Pp*h = a^2 * h
Po podstawieniu otrzymamy
h = V / a^2 = 20 dm^3 / ( 2 dm)^2 = 20 dm^3 : 4 dm^2 = 5 dm
Odp. 5 dm
===============