document.write( "Question 215937: nine angles of a decagon add up to 150.find the other angle \n" ); document.write( "
Algebra.Com's Answer #163148 by Alan3354(69443)\"\" \"About 
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nine angles of a decagon add up to 150.find the other angle
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\n" ); document.write( "The total of the interior angles of a decagon is 8*180 = 1440 degs
\n" ); document.write( "The 10th angle would be 1290 degrees, so that is not possible.
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