p - l = 6 -->>p = l+6
K = 60
2(p+l) = 60
p+l = 30
l+6+l = 30
2l + 6 = 30
2l = 24
l = 12
p = 12 + 6 = 18
Luas = p x l = 18 x 12 = 216
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p - l = 6 -->>p = l+6
K = 60
2(p+l) = 60
p+l = 30
l+6+l = 30
2l + 6 = 30
2l = 24
l = 12
p = 12 + 6 = 18
Luas = p x l = 18 x 12 = 216