document.write( "Question 1200226: Benjamin is drawing a triangle
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Algebra.Com's Answer #834290 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "Triangle inequalities say that the third side of the triangle is shorter than \r\n" );
document.write( "the sum of the two other sides\r\n" );
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document.write( "    third side is shorter than 9 + 12 = 21 cm.\r\n" );
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document.write( "The same inequalities say that the third side of the triangle is longer than \r\n" );
document.write( "the difference of the two other sides\r\n" );
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document.write( "    third side is longer than 12 - 9 = 3 cm.\r\n" );
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document.write( "It leaves possible options 4 cm, 10 cm and 18 cm \r\n" );
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document.write( "and excludes other options for the length of the third side.\r\n" );
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