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Mathematics 19 Online
OpenStudy (anonymous):

1

jigglypuff314 (jigglypuff314):

I'm not sure how to do these sort of problems, sorry :/ perhaps this could help? http://www.themathpage.com/aTrig/arc-length.htm

jigglypuff314 (jigglypuff314):

after reading through it, radians = (arc length) over (radius) so I'm thinking the first and last options would be true...

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