document.write( "Question 223233: How many diagonals could be drawn from one vertex for a 36-gon? \n" ); document.write( "
Algebra.Com's Answer #166962 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Consider an -gon. You can't draw a diagonal from a vertex to itself, so that is one fewer than the number of vertices. Then you can draw a line segment from a vertex to either of the adjacent vertices, but each of those would be coincident with a side and therefore not a diagonal. That's two more fewer than the number of vertices. All together, 3 fewer diagonals than the number of vertices.\r
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