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Verified answer
Keliling = 2(p+l) = 80p+l=40
p-l=6
2p=46
p=23
p+l=40
23+l=40
l=17cm
luas=p x l
=17 x 23
=391cm persegi
Verified answer
Keliling = 2(p+l) = 80p+l=40
p-l=6
2p=46
p=23
p+l=40
23+l=40
l=17cm
luas=p x l
=17 x 23
=391cm perseg