document.write( "Question 826165: two circular cylinders of eaquel volumes have their height in the ratio 9:4 find the ratio of their radii \n" ); document.write( "
Algebra.Com's Answer #497910 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Let Volume of cylinder be V1 \n" ); document.write( "second cylinder be V2\r \n" ); document.write( "\n" ); document.write( "V= pi * r^2*h\r \n" ); document.write( "\n" ); document.write( "V1= pi*r1^2*h1\r \n" ); document.write( "\n" ); document.write( "V2= pi*r2^2*h2\r \n" ); document.write( "\n" ); document.write( "The volumes are equal\r \n" ); document.write( "\n" ); document.write( "So V1=V2\r \n" ); document.write( "\n" ); document.write( "pi*r1^2*h1=pi*r2^2*h2\r \n" ); document.write( "\n" ); document.write( "r1^2/r2^2= h2/h1\r \n" ); document.write( "\n" ); document.write( "r1^2/r2^2= 9/4\r \n" ); document.write( "\n" ); document.write( "r1/r2= 3/2\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |