Mathematics, 18.07.2019 04:00 juliannabartra

Can anyone me with this? given a regular nonagon, find the measures of the angles formed by (a) two consecutive radii and (b) a radius and a side of the polygon. 1. 72°; 252° 2. 40°; 70° 3. 36°; 234° 4. 60°; 240°

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