Jawabanmu

2014-08-13T13:46:00+07:00
Menghitung jari-jari
v = π x r²  x t
 10  = 3,14 x r² x 0,5 m
 10 = 1,57r²
 r² = 10÷1,57
r² = 6,369
r = √6,369
r = 2,524

menghitung diameter
d = 2r
d = 2 x 2,524
d = 5,048 m