Respuesta :

Answer:

b) x = 12

Step-by-step explanation:

You have to use pythagreom therom.

a^2 + b^2 = c^2

Plug in.

5^2 + b^2 = 13^2

Then just solve.

25 + b^2 = 169

b^2 = 144

b = 12

I’m going to say it’s B