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Mathematics 7 Online
OpenStudy (anonymous):

fan and medal more than one question @freegirl11112 What is the exact circumference of the circle?

OpenStudy (anonymous):

ILovePuppiesLol (ilovepuppieslol):

okay ill try to help :P

OpenStudy (anonymous):

i sent the attachment

ILovePuppiesLol (ilovepuppieslol):

do u know the formula for circumference?

OpenStudy (anonymous):

no

ILovePuppiesLol (ilovepuppieslol):

c=2*pi*radius

ILovePuppiesLol (ilovepuppieslol):

so 2 times pi times the radius

OpenStudy (anonymous):

whats the pi?

ILovePuppiesLol (ilovepuppieslol):

pi is the sign

ILovePuppiesLol (ilovepuppieslol):

the diameter is 8, half the diameter is the radius, which is 4

ILovePuppiesLol (ilovepuppieslol):

the formula is 2 pi r

ILovePuppiesLol (ilovepuppieslol):

so 2 times the radius is 8

ILovePuppiesLol (ilovepuppieslol):

so it'll be 8 times pi

ILovePuppiesLol (ilovepuppieslol):

or b

OpenStudy (anonymous):

im confused lol

ILovePuppiesLol (ilovepuppieslol):

oh

ILovePuppiesLol (ilovepuppieslol):

|dw:1456959996106:dw|

ILovePuppiesLol (ilovepuppieslol):

thats the formula, all we have to do is do 2 times 4 because 4 is the r

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