Respuesta :

Answer:

use the pythagorean theorem:

[tex]a^2+b^2=c^2\\5^2+b^2=13^2\\25+b^2=169\\b^2=144\\b=12[/tex]

Answer:

8

Step-by-step explanation:

a+b=c

a+5=13

-5

8

the missing leg would be 8

8+5=13/a+b=c