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d = √392
v = 882cm²
Szukane:
h = ?
Pp = ?
P = 1/2 • d²
Pp = 1/2 • √392² = 1/2 • 392
Pp =196
v = Pp • h
882 = 196 • h
h = 882 /:196
h = 4,5cm
Odp: Wysokość pudełka wynosi 4,5cm.