Find circumference if area =12474sq.cm of circle
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Hey Ma8 ,
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area of circle= πr^2 = 12474
=> 22/7 × r^2 = 12474
r = √12474 × 7/22
r = √87328/22 = √43664/11 = √3969 = 63
circumference = 2 × π × r
=> 2 × 22/7 × 63
=> 44 × 9 = 396 sq.cm
hence , circumference of given circle is 396 sq.cm
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area of circle= πr^2 = 12474
=> 22/7 × r^2 = 12474
r = √12474 × 7/22
r = √87328/22 = √43664/11 = √3969 = 63
circumference = 2 × π × r
=> 2 × 22/7 × 63
=> 44 × 9 = 396 sq.cm
hence , circumference of given circle is 396 sq.cm
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