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OpenStudy (anonymous):
w
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jimthompson5910 (jim_thompson5910):
It seems like they want the circumference. If so, then I agree with your answer.
OpenStudy (mathstudent55):
Correct. It's the circumference of the circular blade.
OpenStudy (anonymous):
I got 21. 99 , so therefore the only reasonable one was B. lol Thanks :)
jimthompson5910 (jim_thompson5910):
They used the approximation pi = 3.14 C = pi*d C = 3.14*7 C = 21.98
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