Jawabanmu

2013-12-14T13:03:20+07:00
Diameter= 2xjari-jari
70:2=35
22/7x35x35x(1,5 m=150 cm)= 577500 cm3
1 liter= 1000 cm3
577500:1000=577,5 liter
577,5 : 100 =5, 775 detik