document.write( "Question 1083626: The exterior angle of a regular polygon is one third of its interior angle how many sides has the polygon?
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Algebra.Com's Answer #697655 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "If x is the measure of the exterior angle, then the measure of the interior angle is 3x.\r\n" );
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document.write( "Then your equation is x + 3x = 180 degs, which implies x = 45 degs.\r\n" );
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document.write( "Thus the exterior angle is 45 degs.\r\n" );
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document.write( "Then the number of sides is n =  = 8.\r\n" );
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document.write( "      ( The sum of exterior angles of any (convex) polygon is 360 degs ).\r\n" );
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