Mathematics
Grade9
Easy

Question

A square metallic frame has a perimeter of 208 cm. It is bent in the shape of a circle. Find the area of the circle (in square cm).

  1. 3567    
  2. 3444    
  3. 2345    
  4. 4532    

hintHint:

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

The correct answer is: 3444


    Perimeter of circle = perimeter of square
    pi×r = 208
    r = 33.12
    Area of circle = pi×r ×r = 3444.48 square cm.

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