SOLUTION: Find the radius of the circle (picture included). <a href="http://tinypic.com" target="_blank"><img src="http://i48.tinypic.com/33majht.jpg" border="0" alt="Image and video host

Algebra ->  Circles -> SOLUTION: Find the radius of the circle (picture included). <a href="http://tinypic.com" target="_blank"><img src="http://i48.tinypic.com/33majht.jpg" border="0" alt="Image and video host      Log On


   

Question 276134: Find the radius of the circle (picture included).
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Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
s = r*theta
5pi = r*(5pi/4)
r = 4