document.write( "Question 1084028: The total surface area of a right circular cone is 484π square feet. If the slant height of the cone is three times the length of a radius of the base, find the length of a radius \n" ); document.write( "
Algebra.Com's Answer #698202 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The total surface area of a right circular cone is 484π square feet. \n" ); document.write( " If the slant height of the cone is three times the length of a radius of the base, find the length of a radius \n" ); document.write( ": \n" ); document.write( "Area of a cone: A = \n" ); document.write( "r = the radius \n" ); document.write( "s = the slant height \n" ); document.write( "\"the slant height of the cone is three times the length of a radius\": therefore: \n" ); document.write( "3r = the slant height \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "divide both sides \n" ); document.write( "3r^2 = 484 \n" ); document.write( "r^2 = 484/3 \n" ); document.write( "r^2 = 161 \n" ); document.write( "r = \n" ); document.write( "r = 12.7 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |