document.write( "Question 108778: C-12 Construction: How many cubic yards of concrete are needed to pour eight cylindrical pillars 12 ft 6 in high, each with a diameter of l ft 9 in.? \n" ); document.write( "
Algebra.Com's Answer #79364 by checkley71(8403) ![]() You can put this solution on YOUR website! VOLUME=12.5*PI*D \n" ); document.write( "SEEING AS YOU HAVE 8 COLUMNS MULTIPLY THIS BY 8 THUS: \n" ); document.write( "8(12.5)(3.14*1.75)=549.5 CUBIC FEET. \n" ); document.write( "1 CUBIC YARD = 27 CUBIC FEET. \n" ); document.write( "THUS WE HAVE: \n" ); document.write( "549.5/27=20.35 CUBIC YARDS OF CEMENT IS NEEDED. \n" ); document.write( " \n" ); document.write( " |