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OpenStudy (anonymous):
What is the exact circumference of a circle with a radius of 15 cm? A. cm B. cm C. cm D. cm
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OpenStudy (anonymous):
OpenStudy (anonymous):
please help!
OpenStudy (chasepit):
Do u know the equation?
OpenStudy (anonymous):
no its been so long i since i learned it
OpenStudy (chasepit):
c=d/pi
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OpenStudy (ineedalotofhelpplss):
C=2πr
OpenStudy (chasepit):
and to find d you do 2(r)
OpenStudy (chasepit):
actually it would just be 30 because you dont need pi
OpenStudy (ineedalotofhelpplss):
it's 30π
OpenStudy (chasepit):
i just said that
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OpenStudy (ineedalotofhelpplss):
But you excluded the pi and that's incorrect
OpenStudy (chasepit):
i think disamazing could've figured it out
OpenStudy (math.man07):
it would be 30 pi
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