Mathematics
Grade9
Easy

Question

Calculate the arc length of this sector in terms of pi

  1. 75.4 cm    
  2. 48 pi cm    
  3. 24 pi cm    
  4. 32 pi cm    

hintHint:

Arc length = fraction numerator theta over denominator 360 end fraction cross times 2 cross times pi cross times r

The correct answer is: 24 pi cm


    Arc length = fraction numerator theta over denominator 360 end fraction cross times 2 cross times pi cross times r
    fraction numerator theta over denominator 360 end fraction cross times 2 cross times pi cross times r
    fraction numerator 270 over denominator 360 end fraction cross times 2 cross times pi cross times 16
    24pi

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