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H = 1m
V = 12√3m³
V = 1/3*Pp*H
1/3*Pp*1m = 12√3m³
1/3m * Pp = 12√3m³ : 1/3m
Pp = 36√3m kwadratowych
Pp = (a kwadrat √3)/4
(a kwadrat √3)/4 = 36√3m kwadratowych * 4(obustronnie)
a kwadrat√3 = 144√3m kwadratowych : √3 (obustronnie)
a kwadrat = 144m kwadratowe
a = √144m kwadratowych
a = 12m [wynik]
12√3cm³=⅓×1m×S /÷⅓
36√3cm³=S
P=a²√3/4
36√3cm²=a²√3/4 /×4
144√3cm²=a²√3 /÷√3
a²=144cm²
a=12cm