2014-15 NFHS Basketball Rules Book

2014-15 NFHS Basketball Rules Book

Matematika volumu bola dengan diameter 24 cm adalah... cm³

pake cara ya...​

volumu bola dengan diameter 24 cm adalah... cm³

pake cara ya...​

`Bangun ruang

Diketahui :

  • d = 24 cm
  • r = d/2
  • r = 24/2
  • r = 12 cm

Ditanya :

Volume bola?

Dijawab :

V = 4/3 × π × r³

V = 4/3 × 3,14 × 12³

V = 4/3 × 3,14 × (12 × 12 × 12)

V = 4/3 × 3,14 × 1.728

V = 4 × 3,14 × 576

V = 7.234,56 cm³

Ubah diameter menjadi jari-jari

r = [tex] \dfrac{d}{2} [/tex]

  = [tex] \dfrac{24}{2} [/tex]

  = [tex] 12cm [/tex]

______________

V = [tex] \dfrac{4}{3} [/tex] × π × r³

   = [tex] \dfrac{4}{3} [/tex] × 3,14 × 12³

   = [tex] \dfrac{4}{3} [/tex] × 3,14 × 1.728

   = [tex] \dfrac{4}{3} [/tex] × 5.425,92

   = 4 × 1.808,64

   = 7.234,56 cm³

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