Dane :
podstawa : a= 5 cm
wysokość graniastosłupa : H = 5 cm
V= Pp *H
Pp = a²√3/4
Pp = 5²√3/4 = 25√3/4 cm² = 6,25√3 cm²
V = 25√3/4 * 5 = 125√3/4 = (125 * 1,73 )/4 = 216,25/4 = 54,06 ≈ 54 cm³
obliczamy pole całkowite
Pc = 2Pp +Pb
Pb =3 (a*H)
Pb = 3 * 5 * 5 = 75 cm²
Pc= 2 * 6,25√3 + 75 = 12,5 * 1,73 + 75 = 21,6 + 75 ≈ 96,6 cm²
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Dane :
podstawa : a= 5 cm
wysokość graniastosłupa : H = 5 cm
V= Pp *H
Pp = a²√3/4
Pp = 5²√3/4 = 25√3/4 cm² = 6,25√3 cm²
V = 25√3/4 * 5 = 125√3/4 = (125 * 1,73 )/4 = 216,25/4 = 54,06 ≈ 54 cm³
obliczamy pole całkowite
Pc = 2Pp +Pb
Pb =3 (a*H)
Pb = 3 * 5 * 5 = 75 cm²
Pc= 2 * 6,25√3 + 75 = 12,5 * 1,73 + 75 = 21,6 + 75 ≈ 96,6 cm²