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Pre-Algebra 8 Online
OpenStudy (anonymous):

Find the circumference of the circle. Radius = 3.5 inches and p = 3.14. A.21.98 inches B.10.99 inches C.6.64 inches D.134.63 inches

OpenStudy (lochana):

Did you learn a formula for the circumference?

OpenStudy (astrophysics):

\[C = 2 \pi r\]

OpenStudy (anonymous):

yea of course i just forgot and i cant look at anything but i think its C=2pr

OpenStudy (astrophysics):

Plug and chug

OpenStudy (astrophysics):

Yup, that's right :)

OpenStudy (anonymous):

yea ig i do know it

OpenStudy (astrophysics):

So just plug in your radius and pi :)

OpenStudy (lochana):

yes that's right. So plug in. :)

OpenStudy (anonymous):

so multiply 3.5 x 3.14

OpenStudy (astrophysics):

Yup, don't forget to multiply by 2

OpenStudy (astrophysics):

Because the formula is C = 2 pi r

OpenStudy (lochana):

You will get 21.98. Ans A

OpenStudy (anonymous):

yes so

OpenStudy (anonymous):

A

OpenStudy (astrophysics):

Sounds good!

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