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OpenStudy (anonymous):
Find the circumference of a circle that has a diameter of 9?Choose one of these:28.26,282.6,2.826,.2826
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OpenStudy (anonymous):
Do you know how to calculate the circumference of a circle?
OpenStudy (anonymous):
I used to know
OpenStudy (anonymous):
2(Pi) R, so Radius is 4.5 2(pi)(4.5)= Answer
OpenStudy (anonymous):
Well you do so by multiplying the diameter by pi.
OpenStudy (anonymous):
So 9*pi=
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OpenStudy (anonymous):
9*3.14=28.26
OpenStudy (anonymous):
Thank you
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