document.write( "Question 1200556: Find, in simplest radical form, the shortest possible
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Algebra.Com's Answer #834711 by ikleyn(52781)\"\" \"About 
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document.write( "Unfold the parallelepiped/(the block) on a plane and draw a straight line \r\n" );
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document.write( "    +------------------------------------------------------------+\r\n" );
document.write( "    |   The segment AB on the plane is the shortest distance.    |\r\n" );
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document.write( "On the unfold, you have right-angled triangle with the legs  (36+12) = 48 cm and 16 cm\r\n" );
document.write( "and the hypotenuse AB.\r\n" );
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document.write( "Now it is easy to calculate the distance \r\n" );
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document.write( "    d = \"sqrt%28%2836%2B12%29%5E2%2B+16%5E2%29\" = \"sqrt%2848%5E2+%2B+16%5E2%29\" = \"sqrt%2816%5E2%2A%283%5E2%2B1%29%29\" = \"16%2Asqrt%2810%29\".\r\n" );
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document.write( "It is about  50.6 cm.\r\n" );
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document.write( "Compare it with the solution by the other tutor  \"4%2Asqrt%2897%29%2B12\" = 51.4 cm (approximately).\r\n" );
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