document.write( "Question 143287: What convex polygon has an interior angle sum of 1080? \n" ); document.write( "
Algebra.Com's Answer #104268 by stanbon(75887)\"\" \"About 
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The sum of the interior angles is (n-2)180
\n" ); document.write( "EQUATION:
\n" ); document.write( "(n-2)180 = 1080
\n" ); document.write( "n-2 = 6
\n" ); document.write( "n = 8
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\n" ); document.write( "the figure is an octagon
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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