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Mathematics 7 Online
OpenStudy (bluebeta):

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OpenStudy (bluebeta):

@DanJS @radar

OpenStudy (bluebeta):

@surjithayer please help!!!!

OpenStudy (anonymous):

\[\pi ~ radians=180\deg\] \[arc ~length~l=r~\theta,\] where r=radius of circle \[\theta~\in~radians.\]

OpenStudy (bluebeta):

@surjithayer what is the thing between theta and radians? and would that be what I put?

OpenStudy (anonymous):

if angle is in degrees then first change it in radians by the above formula then find length of arc.

OpenStudy (bluebeta):

@surjithayer okay, what should i put specifically?

OpenStudy (anonymous):

give me specific problem and then i will guide.

OpenStudy (bluebeta):

that is the problem. its asking to explain the relationship(s) among angle measure in degrees, angle measure in radians, and arc length

OpenStudy (anonymous):

\[\pi~radians=180~ degree\] \[1~ degree=\frac{ \pi }{ 180 }~radians,\theta ~degrees=\frac{ \pi }{ 180 }\times \theta~radians.\]

OpenStudy (anonymous):

\[\theta=\frac{ l }{ r },where ~l~is~arc~length.r=radius~of~circle.\]

OpenStudy (bluebeta):

so i should write that ? @surjithayer

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