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48 = 4 x sisi
48 : 4 = sisi
12 = sisi
Luas persegi = sisi x sisi
= 12 x 12 = 144 cm²
Luas persegi panjang = p x l
144 = p x 6
144 : 6 = p
24 = p
Keliling persegi panjang = 2p + 2l
= 2.24 + 2.6
= 48 + 12 = 60 cm
48 cm = 4 x s
s = 48/4
s = 12 cm
Luas persegi = s x s
= 12 cm x 12 cm
= 144 cm²
sedangkan luas persegi panjang = p x l
144 cm² = p x 6
144/6 = p
24 = p
Jadi,Keliling persegi panjang = 2 (p + l)
= 2 (24 + 6)
= 2 (30)
= 60 cm