Jawabanmu

2013-12-10T22:37:41+07:00
Lpb = 154cm2
v?
lpb= 4.pi.r kuadrat
rk = 154 x 7 /22.4
rk = 49/4

v = 4/3 x pi.r pangkat 3
v = 4/3 .22/7.49/4.7/2
v = 539 /3
v = 179,67 cm3
makasih ya :)
iyaaa, tapi coba itung lagi ya.-.
udh bener kok :D
akwayy