In the figure below,if the area of the square OPQR is 2, find the area of the with centre O.

In the figure below,if the area of the square OPQR is 2, find the area of the with centre O. Correct Answer 2π

ক্রিয়াকে ‘কী দিয়ে/ কী উপায়ে’ দিয়ে প্রশ্ন করলে যে উত্তর পাওয়া যায়, তাই করণ কারক। আলোয় আধার কাটে। - কি দিয়ে আধার কাটে? (আলোয়)। তাই এটি করণে ৭মী।
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