The difference between the outer and inner curved surface areas of a hollow right circular cylin...

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The difference between the outer and inner curved surface areas of a hollow right circular cylinder \( 14 \mathrm{~cm} \) long is \( 88 \mathrm{~cm}^{2} \). If the volume of metal used in making the cylinder is \( 176 \mathrm{~cm}^{3} \), find the outer and inner diameters of the cylinder. (Use \( \pi=22 / 7 \) )
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