Respuesta :

Answer:

Step-by-step explanation:

the diagonal is the hypotenuse of a 45-45-right triangle

the two legs are the same measure so the Pythagoreant theorem

2x²=24     divide by 2

x² = 12      square root

[tex]x = \sqrt{12} \\ \sqrt{4x3} \\2\sqrt{3}[/tex]