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27 dibagi 3 = 9
ukuran l = 9+9 = 18
kell=32 cm
p =(x+5) cm
l =2 x
ukuran l sebenarnya?
jawab;
kell=p+p+l+l
32 =(x+5) + (x+5) + 2x + 2x
32 =2x + 10 + 4x
32 =2x + 4 x + 10
32 =6x+10
32-10= 6x+10-10
22= 6x
x=3 4/6
l=2x
l=2*3 4/6
l=6 8/6
l=7 1/3 cm