If a square region has area n, what is the length of the diagonal of the square in terms of n?

If a square region has area n, what is the length of the diagonal of the square in terms of n? Correct Answer 2n

বর্গের diagonal বা কর্ণ = √2a; যেখানে a = বাহুর দৈর্ঘ্য। এবং বর্গের ক্ষেত্রফল a2 বর্গ একক তাহলে a2 = n∴a = √nDiagonal = √2 .√n = √2n একক
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