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A clock is circular in shape with diameter 25cm. Find the length of the arc between the markings 12 and 5 rounded to the nearest tenth of cm

 Aug 10, 2019
 #1
avatar+111435 
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Between 12 and 5  we have    (5/12) * 360°   =   150°

 

The arc length  is given  by ;

 

2 pi  ( diameter/2) *  150  / 360  =

 

2 pi  * ( 25/2) *  5/12  =

 

[ 2 * 25 * 5 ] pi  / [ 2 * 12]  =

 

250pi / 24  ≈   32.7  cm

 

 

cool cool cool

 Aug 10, 2019
 #2
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Much obliged friend!!!    smiley

Guest Aug 10, 2019
 #3
avatar+111435 
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No prob...!!!!

 

 

cool cool cool

CPhill  Aug 10, 2019

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