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Somma
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A nonagon has nine sides and nine angles. Use the formular-sum of angles of polygon=(n-2)*180°. In a nonagon, n=9. sum of angles= (9-2)*180° =7*180° =1260° sum of seven of the angles=1000° sum of the other two angles=1260°-1000° =260° size of each
Thanks lilian. You just helped me now.
