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A decorative arrangement of floor tiles forms concentric circles, as shown in the figure to the right. The smallest circle has a radius of 2 feet, and each successive circle has a radius 2 feet longer. All the lines shown intersect at the center and form 12 congruent central angles. A random point inside the grid is selected. What is the probability that it lies in the shaded region?

 Apr 21, 2018
 #1
avatar+985 
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I do not see the figure to the right, may you please repost?

 Apr 21, 2018
 #2
avatar+101151 
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No figure is shown  ...

 

 

cool cool cool

 Apr 21, 2018

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