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Mathematics 112 Online
Diamondj:

The formula for the circumference of a circle is 4072-01-01-03-00_files/i0150000.jpg. Determine the circumference when the radius r is 10 cm. a. 1004072-01-01-03-00_files/i0150001.jpg cm c. 20 cm b. 204072-01-01-03-00_files/i0150002.jpg cm d. 100 cm

dude:

Okay they give you the equation \(C=2\pi r\) Now we have to solve for when r is 2, so just substitute 10 in for r \(C=2\pi10\)

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