Matematika

Pertanyaan

jiKa volume bola 32/3 Π m3 berapakah jari jarinya

2 Jawaban

  • V=4/3πr³
    4/3πr³=V
    r³=(32/3π)÷4/3.π
    r³=32/3π×3/4.π
    r³=8
    r=∛8
    r=2
  • Volume bola = 4/3 phi r^3 4/3 phi r^3 = 32/3 phi 4/3r^3 = 32/3 4r^3 = 32 r^3 = 32: 4. r^3 = 8 r = 2 Jadi jari- jari = 2cm

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