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A circle has a radius of 6 in.

What is the exact length of an arc formed by a central angle measuring 45°?

 

Enter your answer in the box. Express your answer using π .

    

  Someone said the answer was 3/2 pi , and i was wondering is that a fraction or? im not sure what to put in the box for my answer.

lysxsa  May 23, 2018
 #1
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What is 3/2? Do you have a calculator? Divide 3/2 and tell me what you got.

Guest May 23, 2018
 #2
avatar+92890 
+2

Arc length  =   2pi * radius  *  (given angle  / 360)     ...so we have

 

Arc length =  2pi * 6  *  (45  / 360) 

 

Arc length  = 12 pi * (1/8) 

 

Arc length  =  (12/8) * pi    =   (3/2)  pi   ( inches  )

 

 

 

 

cool cool cool

CPhill  May 23, 2018

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