document.write( "Question 1179276: The top and bottom diameters of a bucket are 20cm and 16cm respectively. If the bucket is 40cm deep, calculate its surface area. \n" ); document.write( "
Algebra.Com's Answer #808814 by mananth(16946)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Total surface area of a conical frustum: \n" ); document.write( "A = π * [ r1^2 + r2^2 + (r1 + r2) * √((r1 - r2)2 + h^2) ]\r \n" ); document.write( "\n" ); document.write( "r1=20 cm \n" ); document.write( "r2=16 cm \n" ); document.write( "h= 40 cm \n" ); document.write( "pi = 3.142\r \n" ); document.write( "\n" ); document.write( "A=3.14*(20^2+16^2+ (20+16)*sqrt(20-16)^2+40^2\r \n" ); document.write( "\n" ); document.write( "A= 3.142*(656 +36*sqrt(16 +40^2) \n" ); document.write( "=6608 cm^2 \n" ); document.write( " |