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OpenStudy (anonymous):
The diagonal of square ABCD shown below is 16 cm. What is the circumference of the circle? http://media.apexlearning.com/Images/200709/14/3addbc05-ed91-41f6-9dc0-6c07e05626aa.gif A. 16pi cm B. 32 pi cm C. 64 pi cm D.8 pi cm
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OpenStudy (anonymous):
diameter of circle=16cm radius=16/2=8 so circumference of circle=2*pi*r=2*PI*8=50.24cm
OpenStudy (anonymous):
Thanks ^_^
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