Mathematics
Grade9
Easy

Question

Find the area of a circle with a circumference of 37.68 units.

  1. 143    
  2. 124    
  3. 167    
  4. 113    

hintHint:

A equals   pi r to the power of 2 end exponent
Circumference = 2×pi×r

The correct answer is: 113


    Circumference of the circle = 2×pi ×r. = 37.6
    r=6
      A equals pi r to the power of 2 end exponent=pi×6 ×6 = 113.04

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