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Mathematics 18 Online
OpenStudy (anonymous):

if a square and a circle have the same area, the circle has a smaller perimeter. always true, sometimes true, never true?

OpenStudy (anonymous):

area of circle pi *r^2 area of square (with side length a) is a^2 you know that pi*r^2 = a^2 what can you say then about 2*pi*r (circle perimeter) and 4*a (square perimeter)

OpenStudy (fellowroot):

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