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Question regarding how paper bends
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03-08-2019, 06:04 PM
airdave
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Join Date: Apr 2009
Location: Ontario Canada
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yes, I mistyped my first sentence...pi x radiusx2 or pi(r/2) is of course the circumference.
same as pi X diameter
I do the same thing when speaking...I always say "squared" when I know its "doubled".
my bad.
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