Respuesta :

32 I think because of 20+12=32?
hr92425

Answer: 16

Step-by-step explanation:

Use the pythagorean theorem ([tex]a^2+b^2=c^2[/tex]). A and b are the 2 legs, and c is ALWAYS the hypotenuse.

Plug in the values and solve:

[tex]12^2+b^2=20^2\\144+b^2=400\\b^2=256\\b=16[/tex]