Zadanie 4
a)
a = 10 cm
b = 6 cm
c = 12 cm
Pc = 2ab + 2ac + 2bc
Pc = 2 · 10 · 6 + 2 · 10 · 12 + 2 · 6 · 12 = 120 + 240 + 144 = 504 cm²
b)
a = 8 cm
H = 12 cm
V = Pp · H = a² · H
V = 8² · 12 = 64 · 12 = 768 cm³
V
