Magnitude of vector which comes on addition of two vectors, \[6\hat{i}+7\hat{j}\] and \[3\hat{i}+4\hat{j}\] is [BHU 2000]

• A. \[\sqrt{136}\]
• B. \[\sqrt{13.2}\]
• C. \[\sqrt{202}\]
• D. \[\sqrt{160}\]