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OpenStudy (anonymous):
Howdo you find the area of a circle?
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OpenStudy (saifoo.khan):
pi r^2
OpenStudy (amistre64):
by measureing it out into it infinite parts ...
OpenStudy (amistre64):
\[\int_{0}^{x}\ 2\pi\ r\ dr\]
OpenStudy (amistre64):
where x = the radius of the circle you are trying to areate
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OpenStudy (anonymous):
When your done amistre, can you check my answer real quick?
OpenStudy (anonymous):
its two problems down from this one
OpenStudy (anonymous):
measure the radius and then use the formula pier^2
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