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66 = 2((2x+5)+5x)
33 = 7x + 5
28 = 7x
x = 4 cm
Panjang = 2.4+5 = 13 cm
Lebar = 5.4 = 20 cm
Luas persegi panjang = p.l
L = 13.20
L = 260 cm²