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2 ( x+1+2x+3)
=6x+8 =48
=6x= 40
=x=40/6= 6,66666
itu sepertinya kelilingnya yang salah
panjang : 2(6,66) + 3 = 16,33
lebar : 6,66 + 1 = 7,66
luas = pxl = 16,33 x 7,66 = 125,0878