MCQ - 119-11971

Correct Answer: C

Explanation:

The perimeter of a square can be found using the formula P=4s, where P is the perimeter and s is the length of the side of the square.

56 = 4s

s = 14

The diagonal of a square forms the hypotenuse of a 45-45-90 triangle, where each leg is the side of the square. In a 45-45-90 triangle, the ratio of the hypotenuse to the leg is ${\displaystyle \sqrt{2}}$, so the diagonal of this square is ${\displaystyle 14\sqrt{2}}$