The difference between outside and inside surface areas of cylindri...

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The difference between outside and inside surface areas of cylindrical metallic pipe
W \( 14 \mathrm{~cm} \) long is \( 44 \mathrm{~m}^{2} \). If the pipe is made of \( 99 \mathrm{~cm}^{3} \) of metal, find the outer and inner radii of the pipe.
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