document.write( "Question 255097: 6. How many diagonals does a decagon have? \n" ); document.write( "
Algebra.Com's Answer #187462 by derbyman4025(7)\"\" \"About 
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A decagon has 35 diagonals. \r
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\n" ); document.write( "A Nonagon has 27 diagonals. An Octagon has 20 diagonals. A Heptagon has 14 diagonals. A Hexagon has 9 diagonals\r
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