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Mathematics
OpenStudy (anonymous):

a hockey rink outside its five face off circles, each with a radius of 15ft. how much playing area is outside the indicated part?

OpenStudy (shadowfiend):

Hm. I'm not clear on exactly what the question is asking. What is the total area of the hockey rink? Are we saying there are five face-off circles, and trying to determine how much playing area is outside of those five circles?

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