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1540 = 3,14 . 10 m
1540 = 31,4 .
=
49,05 =
7,04 m = r
Selimut tabung =
selimut tabung = 14,08 . 3,14. 10
Selimut Tabung = 442,112
Soalnya bener gak? saya hitung pakai kalkulator, dan saya bulatkan. kalau saya kira, mungkin soalnya = volumenya 1570, bukan 1540, tapi klo soalnya emang begitu, yaudah, hehehee...