3 years ago

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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