Jawab:Jari-jari = 9 cm
Penjelasan dengan langkah-langkah:[tex]\displaystyle\rm\frac{1}{2}\:\:\:V_{bola}\\\\=\frac{1}{2}\left(\frac{4}{3}\pi r^3\right)\\\\=\frac{2}{3}\pi r^3[/tex]
Diketahui Vbola = 486π cm³Ditanya jari-jari (r)
[tex]\displaystyle\\486\pi=\frac{2}{3}\pi r^3\\\\486=\frac{2}{3}\: r^3\\\\3=\frac{2r^3}{486}\\\\3=\frac{r^3}{243}\\\\3=\frac{r^3}{3^5}\\\\r^3=3^5(3)\\r^3=3^5(3^1)\\r^3=3^{5+1}\\r^3=3^{6}\\r^3=(3^2)^3\\r=3^2\\r=9\: cm[/tex]
Jari-jari = 9 cm(xcvi)
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Jawab:
Jari-jari = 9 cm
Penjelasan dengan langkah-langkah:
[tex]\displaystyle\rm\frac{1}{2}\:\:\:V_{bola}\\\\=\frac{1}{2}\left(\frac{4}{3}\pi r^3\right)\\\\=\frac{2}{3}\pi r^3[/tex]
Diketahui Vbola = 486π cm³
Ditanya jari-jari (r)
[tex]\displaystyle\\486\pi=\frac{2}{3}\pi r^3\\\\486=\frac{2}{3}\: r^3\\\\3=\frac{2r^3}{486}\\\\3=\frac{r^3}{243}\\\\3=\frac{r^3}{3^5}\\\\r^3=3^5(3)\\r^3=3^5(3^1)\\r^3=3^{5+1}\\r^3=3^{6}\\r^3=(3^2)^3\\r=3^2\\r=9\: cm[/tex]
Jari-jari = 9 cm
(xcvi)