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Trigonometry
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OpenStudy (anonymous):
Find the length of an arc that subtends a central angle of 2 rad in a circle of radius 2 mi. ???
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hartnn (hartnn):
length of arc is just radius times central angle
hartnn (hartnn):
\(s = r\theta \\ r= 2 \\ \theta = 2\) so, s= ... ?
OpenStudy (anonymous):
4
hartnn (hartnn):
yes, thats your arc length
OpenStudy (anonymous):
thats it ?
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hartnn (hartnn):
thats it!
OpenStudy (anonymous):
oh wow thank you so much!!
hartnn (hartnn):
welcome ^_^
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