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avatar+166 
IF A WIRE WAS BENT TO MAKE 3 SEMICIRCLES, AND EACH SEMICIRCLES DIAMETER WAS 10 CM, HOW LONG IS THE WIRE?
 Mar 14, 2014
 #1
avatar+166 
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AND YOU HAVE TO USE 3.14 FOR PI
 Mar 14, 2014
 #2
avatar+129849 
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If each circle had a diameter of 10cm, then they have a radius of 5cm (half of the diameter). Then, we could find the circumference of one of the circles using C = 2*pi*r. Since each circle has the same circumference, then the total of these three things must be the wire length. I think you should be able to take it from here.

Hope this helps......
 Mar 14, 2014

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