The two rectangles are similar find the length of side x the smaller one has a width of 4 and a length of 16 then the enlarged one has a width of 8 and a length of x how would I do this?
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document.write( "The easy way is to realize that to keep the proportion,\r\n" );
document.write( "if you double the width, you also have to double the length.\r\n" );
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document.write( "Answer: length = twice 16 or 32.\r\n" );
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document.write( "The harder way (but the only way for harder problems),\r\n" );
document.write( "is to set up a proportion:\r\n" );
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document.write( "Cross-multiply:\r\n" );
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document.write( "You can also set up the proportion this way: \r\n" );
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document.write( "Cross-multiply:\r\n" );
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document.write( "Answer: length of larger rectangle = x = 32 \r\n" );
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document.write( "Edwin
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