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Mathematics 14 Online
OpenStudy (anonymous):

What is the cross section formula of a sphere? is it pir^2

OpenStudy (wolf1728):

Do you mean, what is the formula for a circle's area? It is PI * r²

OpenStudy (anonymous):

sphere

OpenStudy (anonymous):

cross section of a circle? that's merely two points|dw:1399160420551:dw|

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