document.write( "Question 1122221: The sum of the interior angles of a polygon is twice the sum of its exterior angles. How many sides does the polygon have ? \n" ); document.write( "

Algebra.Com's Answer #738289 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "It is possible if and only if each interior angle is twice its exterior angle.\r\n" );
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document.write( "Since these angles are supplementary, it is possible only if all interior angles are 120 degrees each.\r\n" );
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document.write( "Hence, the polygon has 6 sides (hexagon).\r\n" );
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