Jari-jari tabung
Luas selimut : ( 2 x π x t )
1256 : ( 2 x 3,14 x 20 )
1256 : 125,6
10 cm
Volume tabung
[tex] \frac{r}{2} \times Luas \: selimut \\ \frac{10 \: cm}{2} \times 1256 \: {cm}^{2} \\ 6280 \: {cm}^{3} [/tex]
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Jari-jari tabung
Luas selimut : ( 2 x π x t )
1256 : ( 2 x 3,14 x 20 )
1256 : 125,6
10 cm
Volume tabung
[tex] \frac{r}{2} \times Luas \: selimut \\ \frac{10 \: cm}{2} \times 1256 \: {cm}^{2} \\ 6280 \: {cm}^{3} [/tex]