document.write( "Question 954415: Three metallic cubes of side 3cm, 4cm and 5cm respectively are melted and are recast into a single cube. find the total surface area of the new cube. \n" ); document.write( "
Algebra.Com's Answer #582876 by macston(5194)\"\" \"About 
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Cube(1)=3cm; Cube(2)=4cm; Cube(3)=5cm; SA=surface area
\n" ); document.write( "\"Volume%281%29=3%5E3cm%5E3\"=\"27cm%5E3\"
\n" ); document.write( "\"Volume%282%29=4%5E3cm%5E3\"=\"64cm%5E3\"
\n" ); document.write( "\"Volume%283%29=5%5E3cm%5E3\"=\"125cm%5E3\"
\n" ); document.write( "\"Volume%28new%29=27cm%5E3%2B64cm%5E3%2B125cm%5E3\"=\"216cm%5E3\"
\n" ); document.write( "\"side%28new%29\"=∛\"216cm%5E3\"=\"6cm\"
\n" ); document.write( "\"SA=6s%5E2\"=\"6%286%5E2cm%5E2%29\"=\"6%2836cm%5E2%29\"=\"216cm%5E2\"
\n" ); document.write( "ANSWER: Surface area of the new cube is 216 square centimeters.
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