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Mathematics 18 Online
OpenStudy (anonymous):

In order for a button to fit through its buttonhole, the hole needs to be the size of the button's diameter. What size buttonhole is needed for a button with a circumference of 9.42 centimeters?

OpenStudy (australopithecus):

2r = d c = 2pi*r where r is the radius c = pi*d where d is the diameter

OpenStudy (anonymous):

A. 1.5 centimeters B. 3 centimeters C. 4 centimeters D. 6 centimeters

OpenStudy (triciaal):

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