Respuesta :

Answer:

[tex]b=32[/tex] or [tex]b=\sqrt{1025}[/tex]

Step-by-step explanation:

[tex]a^2+b^2=c^2\\20^2+b^2=25^2\\b^2=25^2-20^2\\\sqrt{b^2=1025}\\[/tex]

[tex]b=32[/tex] or [tex]b=\sqrt{1025}[/tex]