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Verified answer
Banyak ubin = luas lantai / luas ubinbanyak ubin = 9 m² / (60 cm x 60 cm)
banyak ubin = 9 x 10.000 cm² / 3.600 cm²
banyak ubin = 25 buah
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Verified answer
Mapel : MatematikaKelas : VII SMP
Bab : Bangun datar
Pembahasan :
Luas lantai = 9 m²
Luas lantai = 9 x 10.000 cm²
Luas lantai = 90.000 cm²
Luas Ubin = Luas persegi
Luas Ubin = s²
Luas Ubin = 60²
Luas Ubin = 3600 cm²
Maka...
Banyak Ubin = Luas lantai / luas ubin
Banyak Ubin = 90.000 / 3600
Banyak Ubin = 25 buah