Question

area of circle is given12474 sq cm find its diameter​

Answer 1

Answer:

Area of circle= π²r

12474=(22/7)² r

12474×49/484=r

1262.8636=r

so diameter =2×r = 2×1262.8336=2525.7272 cm

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Answer 2

Given :

Area of circle = 12474 cm²

To find :

Diameter of the circle

$area \: of \: circle \: = \: \pi {r}^{2}$

According to the formula,

12474 = 22/7 ( r )²

12474 ( 7 ) / 22 = r²

3969 = r²

√3969 = r

63 cm = r

We know that,

Diameter = 2 ( radius )

= 2 ( 63 )

= 126 cm

Therefore, the diameter of the circle is 126 cm.

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