document.write( "Question 550719: The sum of the interior angle measures of a convex polygon is 1260 degrees . How many sides does it have? \n" ); document.write( "
Algebra.Com's Answer #359018 by Alan3354(69443)\"\" \"About 
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The sum of the interior angle measures of a convex polygon is 1260 degrees . How many sides does it have?
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\n" ); document.write( "1260/180 = 7
\n" ); document.write( "7 + 2 = 9 sides
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