18. diameter 3x berarti jari2 jg 3x
3×3×4=36
36×30=1080cm3
19. r = 12
d maks = 12
v = 4/3×6×6×6=288phi
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18. diameter 3x berarti jari2 jg 3x
3×3×4=36
36×30=1080cm3
19. r = 12
d maks = 12
v = 4/3×6×6×6=288phi