document.write( "Question 79738: triangular numbers are created by adding consecutive counting numbers? True or False? \n" ); document.write( "
Algebra.Com's Answer #57211 by Edwin McCravy(20056)\"\" \"About 
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document.write( "The triangular numbers are the numbers of dots it takes to\r\n" );
document.write( "draw a triangle using only dots, as the pictures below\r\n" );
document.write( "show.  Each one has 1 dot in the top row, 2 dots in the\r\n" );
document.write( "2nd row, 3 dots in the 3rd row, 4 dots in the 4th row, \r\n" );
document.write( "etc.  \r\n" );
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document.write( "                                                       .\r\n" );
document.write( "                                         .            . .\r\n" );
document.write( "                             .          . .          . . .\r\n" );
document.write( "                   .        . .        . . .        . . . .\r\n" );
document.write( "           .      . .      . . .      . . . .      . . . . .\r\n" );
document.write( "     .    . .    . . .    . . . .    . . . . .    . . . . . .\r\n" );
document.write( " .  . .  . . .  . . . .  . . . . .  . . . . . .  . . . . . . .\r\n" );
document.write( " 1  1+2  1+2+3  1+2+3+4  1+2+3+4+5  1+2+3+4+5+6  1+2+3+4+5+6+7\r\n" );
document.write( "dot  =3    =6    =10 dots  =15 dots    =21 dots      =28 dots \r\n" );
document.write( "    dots  dots\r\n" );
document.write( "  \r\n" );
document.write( "So the answer to\r\n" );
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document.write( "triangular numbers are created by adding consecutive \r\n" );
document.write( "counting numbers? True or False?\r\n" );
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document.write( "is TRUE, provided you start with the counting number 1.\r\n" );
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document.write( "Edwin
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