Question

find the ratio of area of circle to the area of a square of side of a square is equal to the diameter of the circle ​

Answer 1

Answer:

let side of square be a

and diameter of circle be d

according to relation. a=d or a=2r

area of circle/area of square = a^2/πr^2 =(2r)^2/πr^2=4/π

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