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H = 5cm
Pp = 30cm²
V = 1/3 * Pp * H
V = 1/3 * 30cm² * 5cm
V = 50 cm³
2) a=12
V=360
Pp = (a²√3)/4
Pp = 36√3
H = ?
V = 1/3 * Pp * H
360 = 1/3 * 36√3 * H /: (1/3 * 36√3)
H = 360÷(1/3*36√3)
H = 360/12√3
H = 30√3
V=1/3*Pp*H
V=1/3*30 cm*5cm
V=50 cm(do trzeciej)
2.
V=1/3*36(pierwiastek z trzech)*H
360=12(pierwiastek z trzech)*H
360-12(pierwiastek z trzech)=H