Penjelasan dengan langkah-langkah:
Luas persegi = Luas persegi panjang
s² = p × l
s² = 16 cm × 9 cm
s² = 144
s = √144
s = 12 cm
K = 4 × s
= 4 × 12 cm
= 48 cm
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Penjelasan dengan langkah-langkah:
Luas persegi = Luas persegi panjang
s² = p × l
s² = 16 cm × 9 cm
s² = 144
s = √144
s = 12 cm
K = 4 × s
= 4 × 12 cm
= 48 cm