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44 = 2 (12+l)
44 = 24 + 2l
44-24 = 2l
20 = 2l
20/2 = l
10 = l ⇒ lebarnya = 10 cm
L = p×l
= 12 × 10
= 120
44 = 2.12 + 2.l L = 12.10
44 = 24 + 2l L = 120 cm²
44-24 = 2l
20 =2l
20/2= l
10 =l
Maaf ya kalo salah dan semoga bermanfaat... :D