SOLUTION: nine angles of a decagon add up to 150.find the other angle
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Question 215937: nine angles of a decagon add up to 150.find the other angle
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
nine angles of a decagon add up to 150.find the other angle
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The total of the interior angles of a decagon is 8*180 = 1440 degs
The 10th angle would be 1290 degrees, so that is not possible.
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