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This as well, pleasee!!!

This as well, pleasee!!!-example-1

2 Answers

3 votes

Answer:

the big one has a circumstance of 2*pi*9=56.52

the small one 2*pi*7=43.96

difference = 12.56= 4pi

User Antxon
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The inner circle circumference is 18 and the outer is 4