SSC CPO SI and ASI Model Paper 3

Question : 112 of 200

Marks: +1, -0

What will be the perimeter of a circle whose area is 49π

cm^2?

Solution:

(2) Area of circle with radius (r) is,

π × r^2 = 49π⇒ r = 7 cm

Perimeter of the circle is, 2×π×7 =14π cm

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