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K = 132 cm
L = ...........
Kpersegi panjang = 2 (p + l)
132 cm = 2 (p + l)
132cm/2 = p + l
66 cm = p + l
p = 7/11 × 66 cm
= 42cm
l = 4/11 × 66cm
= 24 cm
Lpersegi panjang = p × l
= 42 cm × 24 cm
= 1.008 cm²