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OpenStudy (anonymous):
Can someone please help me???
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OpenStudy (anonymous):
OpenStudy (cwrw238):
dives into the water...
OpenStudy (anonymous):
???
OpenStudy (cwrw238):
- just a joke
OpenStudy (anonymous):
Oh ok, so do you know the answer to my question?
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OpenStudy (cwrw238):
yes - the distance the edge of door travels is a quarter of a circumference = ( 2*pi*r) / 4
OpenStudy (ghazi):
2*pi*r/4...that is 1/4 of circumference
OpenStudy (cwrw238):
plug in r = 4
OpenStudy (anonymous):
so 6.28?
OpenStudy (cwrw238):
oh and pi = 22/7 of course
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OpenStudy (anonymous):
or 6 2/7?
OpenStudy (cwrw238):
yea
OpenStudy (anonymous):
ty
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