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Mathematics 7 Online
OpenStudy (howard-wolowitz):

Radiant question

OpenStudy (anonymous):

what is the arc length formula?

OpenStudy (howard-wolowitz):

L=a*r

OpenStudy (anonymous):

a as in angle right?

OpenStudy (howard-wolowitz):

A yes

OpenStudy (anonymous):

then follow the formula

OpenStudy (howard-wolowitz):

but what A and whats R

OpenStudy (anonymous):

your radius is 3 inches

OpenStudy (anonymous):

your angle is \[\frac{ 7\pi }{ 3 }\]

OpenStudy (anonymous):

are you familiar with radians?

OpenStudy (howard-wolowitz):

kinde, but I did this : L = 7pi/3 * 3

OpenStudy (anonymous):

sorry my OS is lagging yup you did it correctly

OpenStudy (anonymous):

so what do you get?

OpenStudy (anonymous):

|dw:1431369460228:dw|

OpenStudy (howard-wolowitz):

I got C

OpenStudy (anonymous):

yup correct :)

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