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What is the circumference of the new circle

What is the circumference of the new circle-example-1
User MegaCookie
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3 votes
dimentions are trippled

c=pid
when d is a dimention
3d for d
cnew=pi3d
cnew=3pid
cnew=3c

24*3=72

nwe circumference is 72in
User PeterHe
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