Respuesta :

Answer: 20 in

Step-by-step explanation:

Answer:

20 in.

Explanation:

Using the formula

d= [tex]\sqrt{w^{2} } + \sqrt{l^{2} }[/tex]

l = [tex]\sqrt{d^{2} }-w^{2} = \sqrt{25^{2} } - 15^{2} = 20 inches[/tex]