We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
190
2
avatar+212 

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.

 May 23, 2018
 #1
avatar
0

What is 3/2? Do you have a calculator? Divide 3/2 and tell me what you got.

 May 23, 2018
 #2
avatar+99580 
+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

 May 23, 2018

20 Online Users