document.write( "Question 930610: A pipe of thickness 3/4cm has an internal diameter of 14cm. Find the volume of material of 3m of pipe in cm cubed. \n" ); document.write( "
Algebra.Com's Answer #565159 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A pipe of thickness 3/4cm has an internal diameter of 14cm. Find the volume of material of 3m of pipe in cm cubed. \n" ); document.write( "----------- \n" ); document.write( "OD = 15.5 cm --> r = 7.75 cm \n" ); document.write( "Inside r = 7 cm \n" ); document.write( "Cross-section area = pi*(7.75^2 - 7^2) = 11.0625pi sq cm \n" ); document.write( "--- \n" ); document.write( "Vol = area*length = 11.0625*3000*pi = 33187.5*pi cc \n" ); document.write( "=~ 104261.6 cc \n" ); document.write( " \n" ); document.write( " |