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OpenStudy (anonymous):
How to compute area of annulus easier
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hero (hero):
What's difficult about it? Do you have a problem you're currently working on?
OpenStudy (anonymous):
Not really. Its just that we were assigned a hw and it says there: Research on how to find the area of an annulus. Write your own steps or rules. Provide 2 examples.
OpenStudy (anonymous):
*and how you can make its computation easier.
OpenStudy (mrnood):
the area equation ends up as 'difference of 2 squares' do you know a simple way to calculate (a^2-b^2)??
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