document.write( "Question 241104: an octagon has 8 sides. How many diagnals does an octagon have??\r
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Algebra.Com's Answer #176612 by edjones(8007)\"\" \"About 
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20
\n" ); document.write( "There are 5 diagonals for each point. 8*5=40.
\n" ); document.write( "Half are repetitions. 40/2=20
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