document.write( "Question 394503: The measure of an interior angle of a regular polygon is given which is 90. find the number of sides in each polygon \n" ); document.write( "
Algebra.Com's Answer #279911 by Alan3354(69443)\"\" \"About 
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The exterior angles are also 90º\r
\n" ); document.write( "\n" ); document.write( "The sum of the exterior angles of ALL polygons is 360º.\r
\n" ); document.write( "\n" ); document.write( "360/90 = 4
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