Odpowiedź :
a = 7 cm
H = 10 cm
Pp = a²√3 / 4 = 7²√3 / 4 = 49√3/4 = 12 i 1/4√3 = 12,25√3 cm²
Pb = 3 * 7 * 10 = 210 cm²
Pc = 2Pp + Pb = 2 * 12,25√3 + 210 = 24,5√3 + 210
V = Pp * H = 12,25√3 * 10 = 122,5√3 cm³
a = 7 cm
H = 10 cm
Pp = a²√3 / 4 = 7²√3 / 4 = 49√3/4 = 12 i 1/4√3 = 12,25√3 cm²
Pb = 3 * 7 * 10 = 210 cm²
Pc = 2Pp + Pb = 2 * 12,25√3 + 210 = 24,5√3 + 210
V = Pp * H = 12,25√3 * 10 = 122,5√3 cm³