document.write( "Question 335601: A metal pipe that is 1m long has an outside radius of 4cm and an inside radius of 3cm. How many cubic centimeters of metal are in the pipe? \n" ); document.write( "

Algebra.Com's Answer #240578 by Fombitz(32388) $\"\"$ $\"About$

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Use the volume of a cylinder,
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\n" ); document.write( " $\"Vouter=pi%2A4%5E2%2A3\"$
\n" ); document.write( " $\"Vinner=pi%2A3%5E2%2A3\"$
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\n" ); document.write( " $\"Vmetal=Vouter-Vinner=pi%2A3%2A%2816-9%29\"$
\n" ); document.write( " $\"Vmetal=21%2Api\"$ cc \n" ); document.write( "

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