Posted by Find the length s of the arc of a circle on Sunday, December 9, 2012 at 12:12am.
of radius 54 meters subtended by the central angle 1/9 radian.
s(arc length = meters
How is the answer 6?
s denotes the lenght of the arc of a circle of radius r subtended by the central angle 0. Find the missing quantity.
The radius r of the circle is ? feet
How is 24 the answer?

algebra & geometry  drwls, Sunday, December 9, 2012 at 12:26am
The length of an arc equals the radius times the angle in radians.
That is because the number of radians in a circle is defined to be 2 pi.
54 x (1/9) = 6
Your second question is incomplete. You need to know the central angle and arc length to compute the radius. I assume that your 0 is supposed to be Greek theta, not zero.

algebra  Find the length s of the arc of a circle, Sunday, December 9, 2012 at 7:41am
Thanks and yes it's suppose to be a Greek theta.
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