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P-L= 6cm
P= L+6
2(P+L)=44
L+6+L =22
2L= 16
L=8
P=14
PxL= 14x8=112cm²
p - l= 6
p= 6 + l
K= 2(p + l)
44= 2(6 + l + l)
44= 2(6 + 2l)
44= 12 + 4l
44 - 12= 4l
32= 4l
l= 32/4
l= 8
Maka :
p= 6 + l
= 6 + 8
= 14
Jadi :
p= 14 cm
l= 8 cm
L. persegi panjang :
p × l
14 × 8
112
Jadi, luas persegi panjang adalah 112 cm².