Jawabanmu

2014-05-04T14:31:04+07:00
Jari-jari tabung: 18 ÷2 =9. T tabung = 18 V = 3,14 ×9×9×18 = 4578,12 cm
2014-05-04T14:42:16+07:00
V = 4/3.phi.r³
V = 4/3 x 3,14 x 9
³
V = 4/3 x 2289,1
V = = 3052,1