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tinggi tabung = 15 cm
d2. r...?
d3. volume tabung = la × t
36.960 = phi .r2 × t
36.960 = 22/7 .r2 × 15
7×36.960/22 =r2 × 15
11.760 = r2 × 15
11.760/15 =r2
784 = r2
akar dari 784 adalah 28
jadi , r = 28 cm
semoga bermanfaat