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Verified answer
K= 2×(p+l)100/2=p+l
50=p+l
Karena ini persegi panjang jadi p > l
p= 26 cm
l=24 cm
Jadi Luas maks adalah
L=p×l=26×24=624cm^2
2(p + l) = 100
p + l = 50
Agar luas maks, maka p = l
jadi p = 25 cm
l = 25 cm
L = pl
= 25 • 25
=625 cm²