sebuah kaleng berbentuk tabung berisi cat dinding. jika diameter dan tinggi kaleng sama,yaitu 20,cm maka volume cat dalam kaleng jika terisi penuh adalah...³
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r = 20/2 = 10 cm
v = π(10²(20)
= π(10(10(20)
= π(100(20)
= π(2.000)
= 2.000π
= 2.000(3,14)
= 6.280 CM³