Odpowiedź:
1) Pc = 3cm×3cm × 6 = 9cm² × 6 = 54cm²
2) Pc = 5dm×5dm × 6 = 25dm² × 6 = 150dm²
3) Pc = 1,5m×1,5m × 6 = 3/2 × 3/2 × 6 m² = 18/2 × 3/2 m²
Pc = 9×3/2 m² = 27/2 m² = 13,5m²
4) Pc = 96cm² = a² × 6
a² = 16cm²
a = 4cm
5) Pc = 600dm² = a² × 6
a² = 100dm²
a = 10dm
6) Pc = 2400mm² = a² × 6
a² = 400mm²
a = 20mm
