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masha68 [24]
3 years ago
5

What is the perimeter of a regular nonagon with a side length of 21

Mathematics
2 answers:
eimsori [14]3 years ago
8 0
The perimeter would be 189

How?-

Formula- 9(the sides of the nonagon) times the length 

so 
9*21=189
vagabundo [1.1K]3 years ago
7 0
21*9

9 sides times 21 per side

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