Jawabanmu

2014-03-16T08:41:20+07:00
Vpasir=Vkrucut=4,95 m^3
Vkrucut=1/3 \pi r²t
4,95=1/3x22/7x2,1xr²
4,95=2,2r²
r²=2,25
r=1,5 m