Matematika

Pertanyaan

The floor of a rectangular room sized 12 m × 8 m. It will be laid with square-square tiles measuring 40 cm × 40 cm. The number of tiles needed to cover the room is

2 Jawaban

  • it need 1600 tiles to cover the room

  • Luas ruangan = p x l
    =12 x 8
    = 96 m²
    = 960000 cm²

    Luas ubin = 40 cm x 40cm
    = 1600 cm²

    untuk menutupi lantai diperlukan =
    960000 : 1600
    =600 tiles

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