If the perimeter of a circle is equal to that of a square ,then find the ratio or their areal?
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Step-by-step explanation:
2πr = 4a
πr = 2a
a = πr/2 ................
area of square, A₁ = a²
= π²r²/4
area of circle, A₂ = πr²
A₁ : A₂ = π²r²/4 : πr²
= π : 4
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❏ Formula Used..
•For a circle of radius r ,
•For a square of side a,
❏ Question:-
Q) If the perimeter of a circle is equal to that of a square ,then find the ratio or their area?
➪
Fir a circle with radius r ,
And, For a square of side a,
Now, according to the question perimeter of the circle is equal to the perimeter of square.
➾ Therefore, the ratio of their Area.
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