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OpenStudy (anonymous):
What is the circumference of this circle? Use π ≈ 3.14. Round your answer to the nearest tenth of a centimeter. A. 40.8 cm B. 132.7 cm C. 81.6 cm D. 20.4 cm http://static.k12.com/calms_media/media/1299500_1300000/1299628/1/2afb45d9239f8898b4bf0e46cd5ababf5702a5cd/144248.jpg
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OpenStudy (anonymous):
need the code thing to find it
OpenStudy (anonymous):
its A i think
OpenStudy (anonymous):
c=2(pi)r so you do c= (2)(3.14)(6.5) and you get 40.82 so A
OpenStudy (anonymous):
does that make sense
OpenStudy (anonymous):
\[13 \pi =40.8407 \]
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