1.

Find the height of the cylinder whose volume is 1.54m and diameter of the base is 140 cm

Answer»
radius = \frac{140}{2} = 70 \\ volume = \pi \times {r}^{2} \times h = 1.54 {m}^{3} \\ = 15400 {cm}^{3} \\ h = \frac{15400}{\pi \times {70}^{2} } = 1 \: cm


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