Respuesta :

tina2033712695

Answer:

20ft

Step-by-step explanation:

The formula is

[tex]a^{2}+ b^{2}= c^{2}[/tex]

To find [tex]c^{2}[/tex], all we have to do it to add [tex]a^{2}[/tex] and [tex]b^{2}[/tex] together. Resulting in: 20ft.