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frozen [14]
3 years ago
5

Find the sum of the measures of the exterior angles of a convex 21-gon

Mathematics
1 answer:
rusak2 [61]3 years ago
8 0
4140

21-2(180)=3420 3420/21=162.8571 etc. 360-162.9=197.1 197.1 times 21 is (4140)
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