keliling persegi = 4 × s
240 = 4 × s
s = 240 ÷ 4 = 60 cm
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K = 240 cm
Ditanya :
s?
Jawab :
K = 4s
240 = 4s
s = 60 cm
keliling persegi = 4 × s
240 = 4 × s
s = 240 ÷ 4 = 60 cm