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K = 48 cm
Dijawab :
K = 4s
48 = 4s
s = 48/4
s = 12 cm
Maka,
Luas = s²
= 12 . 12
= 144 cm²
Itu jawabannya.
48 = 4 . s
s = 48/4 = 12 cm
Luas persegi = s . s
= 12 . 12
= 144 cm2