document.write( "Question 124207: A metal pipe is 77 cm long.The inner diameter of a cross-section is 4 cm, the outer diameter being 4.8 cm. Find its inner curved surface area \n" ); document.write( "
Algebra.Com's Answer #91212 by ankor@dixie-net.com(22740)\"\" \"About 
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A metal pipe is 77 cm long.The inner diameter of a cross-section is 4 cm, the outer diameter being 4.8 cm. Find its inner curved surface area
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\n" ); document.write( "No one seems to want this one, here's my effort, for what it's worth
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\n" ); document.write( "The inner curved surface area would be the inner circumference times the length
\n" ); document.write( "A = pi*4*77
\n" ); document.write( "A = 967.6 sq/cm
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\n" ); document.write( "Hope this helps you
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