ukuran lantai = 8m x 8m = 800cm x 600cm = 480000
ukuran ubi = 30 x 30 = 900
banyak nya ubi 480000/900 = 533,33 hasilnya 533,33cm ( JADIKAN TERBAIK )
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ukuran lantai = 8m x 8m = 800cm x 600cm = 480000
ukuran ubi = 30 x 30 = 900
banyak nya ubi 480000/900 = 533,33 hasilnya 533,33cm ( JADIKAN TERBAIK )
keliling ubin= 4xs
= 4x30=120cm
banyak ubin= 480000/120
= 4000 ubin
kalo gak salah