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OpenStudy (anonymous):
find the circumference of a circle a( give the exact answer in terms of pi and approximate the answer by using 3.14 for pi the R= 6.3 inch
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OpenStudy (anonymous):
pi*r^2=39.69pi =124.67
OpenStudy (anonymous):
=124.63*
OpenStudy (anonymous):
so what is the circumference?
OpenStudy (anonymous):
circumference = 2*pi*R=2*3.14*6.3=39.564 inch
OpenStudy (anonymous):
area of circle is pi*r^2
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