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volume(isi tabung) = 22liter (22) = 22000
dit : jari"
penyelesaian
volume = . . t
22000 = . . 70 cm
=
r = √100
r = 10 cm
beri tanda solusi terbaik jika anda mengerti :D
22.000= 22/7 x 70 x r^2
22.000=220x r^2
100= R^2
r= 10 Cm