document.write( "Question 123283: Julio needs to draw a line 15 cm long. He does not have a ruler. He does have several sheets of paper that measure 28.0 cm by 21.5 cm. How can he use these papers to draw his 15 cm line? \n" ); document.write( "

Algebra.Com's Answer #90481 by Edwin McCravy(20086) $\"\"$ $\"About$

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Julio needs to draw a line 15 cm long. He does not have a ruler. He does have several sheets of paper that measure 28.0 cm by 21.5 cm. How can he use these papers to draw his 15 cm line?\r
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document.write( "Lay two sheets sideways, one above the other,\r\n" );
document.write( "with their 28cm sides together, like this:\r\n" );
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document.write( "This makes a rectangle which is 2x21.5cm \r\n" );
document.write( "or 43cm tall. So AB = 43cm.\r\n" );
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document.write( "Now place a third sheet upright on top of those\r\n" );
document.write( "like this:\r\n" );
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document.write( "Now since AB = 43cm, and BC = 28cm,\r\n" );
document.write( "then AC = AB - BC = 43cm - 28cm = 15cm.\r\n" );
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document.write( "Edwin

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