Diameter sebuah kerucut 20cm. Jika volumenya 1.570 cm³,maka tinggi kerucut adalah...cm
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[tex]volume \: kerucut = \frac{1}{3} \times \pi \times r \times r \times t \\ \\ 1570 \: {cm}^{3} = \frac{1}{3} \times 3.14 \times 10 \: cm \times 10 \: cm \times t \\ \\ 1570 \: {cm}^{3} = \frac{314}{3} {cm}^{2} \times t \\ \\ 1570 \: {cm}^{3} \times \frac{3}{314} \: {cm}^{2} = t \\ \\ t = 15 \: cm [/tex]
