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OpenStudy (anonymous):
How to simplify this 4πr-122.825π —————— =0 r^2
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OpenStudy (australia.j.):
4x3.14x122.825x3.14= 23464544.0987013904
OpenStudy (australia.j.):
Do you need to root square it afterwards.
OpenStudy (australia.j.):
if so the answer is 4844.02148
OpenStudy (faiqraees):
122.825π take —————— on the other side and cancel the pi r^2
OpenStudy (anonymous):
I didn't get that. I got r^3=30.70625
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OpenStudy (faiqraees):
then multiply r^2 on both sides take cube root and you have the answer
OpenStudy (faiqraees):
got it now?
OpenStudy (anonymous):
So I have 4r=122.825 ————— r^2
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