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OpenStudy (jordan123321):
What is the approximate circumference of a circle with a radius of 40 inches? Use π ≈ 3.14. A. 125.6 inches B. 251.2 inches C. 502.4 inches D. 5024 inches
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OpenStudy (jordan123321):
@iGreen
rishavraj (rishavraj):
\[circumference = 2 \pi r \]
OpenStudy (jordan123321):
huh
OpenStudy (anonymous):
the \(\pi\) is 3.14 and the r is the radius.
OpenStudy (anonymous):
the question says r=40 so |dw:1430750726864:dw| you multiply those
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