Atas tabung 7cm panjang tabung 20cm berapa volumenya

[tex]v \: = \pi \times r \times r \times t.prisma \\ \\ \: \: \: \: \: = \frac{22}{7} \times 3.5 \times 3.5 \times 20 \\ \\ \: \: \: \: \: = 770 \: cm ^{3} [/tex]

[tex]v = \pi \times r ^{2} \times t \\ \: \: \: \: = 22.7 \times 20 {}^{2} \times 7 \\ \: \: \: \: = 63.560[/tex]