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Answer:
yes it's right ok
Step-by-step explanation:
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Option C is wrong, correct is option B.
Let me prove it:-
2πr = 4a (According to the question.)
πr/2= a ..... (1)
Area of square = a²
Squaring both sides in eq. 1
π²r²/4 = a²
Area of a circle = πr²
And
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..
...
....
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π²r²/4 > πr²