volumu bola dengan diameter 24 cm adalah... cm³
pake cara ya...![]()
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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