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p = 6cm+l
k = 2(p+l)
k = 2(6cm+l+l)
44cm =2(6cm+2l)
(44-12)cm = 4L
32cm =4L
32:4 = L
8cm = L
p =6cm+8cm
= 14 cm
luas = p.l
= 14cmx8cm
=112 cm2
k = 2(p+l)
44 = 2(p+p-6)
44 = 2p+2p-12
44 = 4p-12
4p = 44+12
4p = 56
p = 14 cm , l = p-6 = 14-6 = 8 cm
L= pxl
= 14x8
=112 cm²