Jawab:
Penjelasan dengan langkah-langkah:
20 x 20 = 400
Sisi = 20
20 x 4 = 80
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Jawab:
80
Penjelasan dengan langkah-langkah:
Luas = Sisi X Sisi
20 x 20 = 400
Sisi = 20
20 x 4 = 80