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Mathematics 18 Online
OpenStudy (anonymous):

Circle A has a radius of 6 cm and arcs RC, CS, and SM are congruent. To the nearest hundredth, what is the length of arc RC?

OpenStudy (anonymous):

OpenStudy (afrodiddle):

6 * pi / 3 =

OpenStudy (afrodiddle):

is this multiple choice?

OpenStudy (anonymous):

yes 12 cm 6.28 cm 3.14 cm 1.57 cm I have looked up equations such as the ones you guys have given but I still dont understand how it works

OpenStudy (afrodiddle):

@LegendarySadist I got 6.28 wbu?

OpenStudy (afrodiddle):

Mine was a formula, hun. :P

OpenStudy (anonymous):

formula, equation, meh

OpenStudy (anonymous):

\[Arc=2\pi*6*(\frac{ 60 }{ 360 })\]

OpenStudy (afrodiddle):

The arcs are congruent. So they divide the half circle (with angle of pi) in thirds. To calculate arc length: r * theta = s theta is the angle = pi/3

OpenStudy (anonymous):

Sorry, forgot to add in the radius to the equation.

OpenStudy (afrodiddle):

Do you remember what pi is?

OpenStudy (anonymous):

ooohhh, i understand now I got 6.28 would that be correct?

OpenStudy (afrodiddle):

yes.

OpenStudy (anonymous):

I got that too

OpenStudy (afrodiddle):

I'm proud of both of you :P

OpenStudy (anonymous):

ty

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