Question

Please I really need help with this

Answer 1

12^2+X^2=20^2
144+X^2=400
X^2=400-144
X^2=256
X=16

Answer 2

Answer:

x=16

I used Pythagorean theorem.

Step-by-step explanation:

Tell me if you have more questions or want to know how I solved it.

Have a nice day!

and can I maybe have brainliest? Thanks!