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2. 96cm² = p×l
48cm²=t×l
72cm²=t×p
pxl = 96cm2 = l =
t= 72/p
48cm2 = l x t
48cm2 = 96/p . 72/p
p2 = 96x72/48
p2= 144
p=12
l = 96/p = 8
t = 72/p = 6