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2 cm, 6 cm, 12 cm, 20 cm, 30 cm, dst.
Dengan ukuran :
Persegi= 2 × 2, 4 × 4, 6 × 6, 8 × 8, 9 × 9, dan seterusnya
Persegi Panjang= 4 × 1, 8 × 2, 12 × 3, 16 × 4, 27 × 3, dan seterusnya