Question

If a square has a side length of 3, how long is the diagonal of the square?

• A. $3\sqrt{2}$
• B. $2\sqrt{2}$
• C. $2\sqrt{3}$
• D. $2\sqrt{5}$

Answer 1

The correct option is A $3\sqrt{2}$

We know that diagonal of the square = $\sqrt{2}a$
Where, a = side
= $3\sqrt{2}$