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2 (12 + l ) = 44
24 + 2l = 44
2l = 44-24
2l = 20
l = 20/2
l = 10
luas = p x l
= 12 x 10
= 120
jawabnnya 120 cm²
44 = 2 (12 + l)
44 = 24 + 2l
2l = 44 - 24
2l = 20
l = 10 cm
Luas = p x l
= 12 x 10
= 120 cm²