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Mathematics 9 Online
OpenStudy (anonymous):

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

jagr2713 (jagr2713):

The formula for circumference of circle is\[C=2\pi r\]

jagr2713 (jagr2713):

Whats the Radius for the formula

OpenStudy (anonymous):

B?

jagr2713 (jagr2713):

Correct but how did u get it?

jagr2713 (jagr2713):

You there @Sarada

OpenStudy (anonymous):

i did the math

OpenStudy (anonymous):

by using your formula

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