Tolong ya kakak.. Volume tabungnya

Diameter = 21
Jari-jari = 21/2

Vol Tabung = πr²t
V = (22/7)(21/2)(21/2)(30)
V = 10395

semoga membantu
ㅡ :)

[tex]v \: = \: \pi \times r \times r \times t \\ \: \: \: \: = \frac{22}{7} \times 10.5 \times 10.5 \times 30 \\ \: \: \: \: = 22 \times 1.5 \times 10.5 \times 30 \\ \: \: \: \: = 10395[/tex]