Matematika

Pertanyaan

Volume bangun tersebut??
Volume bangun tersebut??

1 Jawaban

  • Kelas 8 Matematika
    Bab Bangun Ruang

    r = d/2
    r = 14/2
    r = 7 cm

    tinggi kerucut
    = 24 - 15
    = 9 cm

    Volume gabungan
    = volume tabung + volume kerucut
    = (π . r . r . t) + (1/3 . π . r . r . tkerucut)
    = (22/7 . 7 . 7 . 15) + (1/3 . 22/7 . 7 . 7 . 9)
    = 2.310 + 462
    = 2.772 cm^3