document.write( "Question 1029298: Two similar figures have areas of 56 sq in and 87 sq in. A side of the smaller figure is 12 in. Find the corresponding side. \n" ); document.write( "
Algebra.Com's Answer #644353 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Areas of similar figures vary as the squares of the sides, so\r\n" );
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document.write( "\"%22%22=%22%22\"\r\n" );
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document.write( "\"56%2F87\"\"%22%22=%22%22\"\"12%5E2%2Fx%5E2\"\r\n" );
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document.write( "\"56%2F87\"\"%22%22=%22%22\"\"144%2Fx%5E2\"\r\n" );
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document.write( "Cross-multiply:\r\n" );
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document.write( "\"56x%5E2\"\"%22%22=%22%22\"\"144%2A87\"\r\n" );
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document.write( "Divide both sides by 56:\r\n" );
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document.write( "\"x%5E2\"\"%22%22=%22%22\"\"144%2A87%2F56\"\r\n" );
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document.write( "\"x%5E2\"\"%22%22=%22%22\"\"223.71452857\"\r\n" );
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document.write( "\"x\"\"%22%22=%22%22\"\"sqrt%28223.71452857%29\"\r\n" );
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document.write( "\"x\"\"%22%22=%22%22\"\"14.95708146\"\r\n" );
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document.write( "Since the other figures are rounded to the\r\n" );
document.write( "nearest whole number, we probably should\r\n" );
document.write( "round the corresponding side of the larger\r\n" );
document.write( "to 15 inches.\r\n" );
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document.write( "Edwin
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