Jawab Nomor 29
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#Jawaban_Tercerdas#
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#Jawaban_Tercerdas#
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18480 = 22/7 × r² × 30
r² = (18480×7)÷(22×30)
r² = 129360 ÷ 660
r² = 196
r= √196
r= 14
r=d tabung kecil
14 = 2r kecil
rkecil = 7 cm
v tabung kecil = πr²t = 22/7 × 7² × 30 = 22×7×30 = 22×210 = 4620 cm³
jawabannya C