If the perimeter of square is equal to the circumference of cicrle . Find the ratio of their areas
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Let side of square is s,
and radius of the circle is r. Then,
perimeter of the square is = 4s
circumference of the circle is = 2πr
given,
perimeter of square = circumference of circle
By the condition,
ratio of area of square and circumference =
= π : 4
Therefore, ratio of there areas is π : 4.
and radius of the circle is r. Then,
perimeter of the square is = 4s
circumference of the circle is = 2πr
given,
perimeter of square = circumference of circle
By the condition,
ratio of area of square and circumference =
= π : 4
Therefore, ratio of there areas is π : 4.
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