document.write( "Question 781385: How many diagonals can be drawn in the interior of a regular polygon if one of its exterior angles contain 60 degrees? \n" ); document.write( "
Algebra.Com's Answer #475894 by stanbon(75887)\"\" \"About 
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How many diagonals can be drawn in the interior of a regular polygon if one of its exterior angles contain 60 degrees?
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\n" ); document.write( "Sum of exterior angles = 360 degrees.
\n" ); document.write( "# of exteror angles = # of sides = 360/60 = 6
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\n" ); document.write( "# of sides + # of diagonals:: 6C2 = 15
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\n" ); document.write( "# of diagonals = 15-6 = 9
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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