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OpenStudy (anonymous):
A machinist creates a washer by drilling a hole through the center of a circular piece of metal. If the piece of metal has a radius of x + 10 and the hole has a radius of x + 6, what is the area of the washer?
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OpenStudy (anonymous):
|dw:1335335652462:dw| Area of the bigger circle minus the area of the smaller.
OpenStudy (zepp):
|dw:1335335688991:dw|
OpenStudy (anonymous):
lolol
OpenStudy (perl):
pi [ (x+10)^2 - (x+6)^2 ]
OpenStudy (zepp):
Uh, what joemath said >.>
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