document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1112479>Question 1112479</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A large rectangular block of steel is melted down and cast into moulds producing 8 smaller singular rectangular blocks. If the surface area of each smaller block is 1.2 m Squared, calculate the surface area of the original block.  </SPAN>\n" );
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document.write( "I will assume you mean the smaller blocks are similar to the original.  \"singular\" has no meaning; \"similar\" makes a reasonable math problem.<br><BR>\n" );
document.write( "In any two similar figures, if the ratio of linear measurements (scale factor) is a:b, then the ratio of area measurements is a^2:b^2, and the ratio of volume measurements is a^3:b^3.<br><BR>\n" );
document.write( "In this problem, we know the ratio of volumes is 1:8; that means the scale factor is 1:2, and the ratio of areas is 1:4.  So if the surface area of each of the smaller blocks is 1.2 square meters, then the surface area of the original block is 4*1.2 = 4.8 square meters. </SPAN>\n" );
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