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April 21, 2015

April 21, 2015

Posted by **Jarret** on Wednesday, May 11, 2011 at 11:30pm.

- Geometry -
**Jai**, Wednesday, May 11, 2011 at 11:39pmrecall that length of arc is given by

s = r*theta

where

r = radius

theta = angle in radians

first we convert the given angle to radians:

20 * pi/180 = pi/9 = 0.349 rad

substituting,

s = 1*0.349

s = 0.349

s = 0.35 (nearest hundredth)

hope this helps~ :)

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