document.write( "Question 595787: What are the possible triangles with whole number sides and a perimeter of 18 units? \n" ); document.write( "
Algebra.Com's Answer #377317 by Edwin McCravy(20065)\"\" \"About 
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document.write( "The maximum side can be no less than 6 when all three sides\r\n" );
document.write( "are equal in length.\r\n" );
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document.write( "1. When the maximum side is 6, all three sides are 6.\r\n" );
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document.write( "That's 1 way.\r\n" );
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document.write( "2. When the maximum side is 7, the other two sides must have\r\n" );
document.write( "   sum 11, and be 7 or less, so there are 2 possibilities for\r\n" );
document.write( "   the other two sides, either 4 and 7 or 5 and 6.\r\n" );
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document.write( "That's 2 more ways.\r\n" );
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document.write( "3. When the maximum side is 8, the other two sides must have\r\n" );
document.write( "   sum 10, and be 8 or less, so there are 4 possibilities for\r\n" );
document.write( "   the other two sides, 2 and 8, 3 and 7, 4 and 6, or 5 and 5.\r\n" );
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document.write( "That's 4 more ways.\r\n" );
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document.write( "Total: 1+2+4 = 7 ways.\r\n" );
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document.write( "Edwin
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