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10x=32-2
10x=30
X=3
Lebar adalah 2x-1
2.3-1
6-1
5
l= 2x-1 cm
K= 32 cm
K= 2(p+l)
32= 2((3x+2)+(2x-1))
32= 2(5x+1)
32= 10x+2
30= 10x
x= 30/10= 3
mencari lebarnya...
l= 2x-1
l= 2(3)-1
l= 6-1
l= 5 cm