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½ bola, d = 12 cm ==> r = 6 cm
banyak sirup yg bisa dijual =
Vtabung / V½bola
= πr²t / ⅔x3πr³
= (π x 24 x 24 x 60) / (2 x π x 6 x 6 x 6)
= 80 gelas