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r = 17cm
vol.tabung = luas alas × tinggi
luas lingkaran × t
× t
×20
53,38 × 20 = 1067,6
dit: v ?
jwb: L.alas=3, 14×17×17
= 907, 46
volume= 907, 46×20
= 18.149, 2 cm3