Zadanie 2
a = 8 cm
b = 5 cm
H = 7 cm
Pb = 2·a·H + 2·b·H
Pb = 2 · 8 · 7 + 2 · 5 · 7 = 112 + 70 = 182 cm²
Zadanie 1
a = 3 cm
Pc = 6·a²
Pc = 6 · 3² = 6 · 9 = 54 cm²
