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Let $S$ be the union of the set of all points inside a regular nonagon with side length $2$ units and the set of all points less than $1$ unit away from an arbitrary point on the perimeter of the nonagon. What, in units, is the perimeter of $S$?

 Mar 24, 2021
 #1
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check out CPhill's answer here:

 

https://web2.0calc.com/questions/funky-circle-areas

 

 

 

i hope CPhill's solution helped you! if you have any follow-up questions, feel free to ask! :)

 Mar 24, 2021

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