document.write( "Question 294688: how can i find out the length of the slant height of a cone with a radius of 15 cm ad a surface area of 1884 cm square? thank you \n" ); document.write( "
Algebra.Com's Answer #212459 by mananth(16946)![]() ![]() You can put this solution on YOUR website! The surface area of right circular cone = pi*r^2 +pi*r*l\r \n" ); document.write( "\n" ); document.write( "The radius =15 cm\r \n" ); document.write( "\n" ); document.write( "area = 1884 sq. cm\r \n" ); document.write( "\n" ); document.write( "1884= pi*(15)^2 + pi*15*l\r \n" ); document.write( "\n" ); document.write( "1884= 15pi(15+l)\r \n" ); document.write( "\n" ); document.write( "1884 /15*pi =15+l\r \n" ); document.write( "\n" ); document.write( "1884/15*pi -15= l\r \n" ); document.write( "\n" ); document.write( "l = 25 cms\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |