Find the value of x that makes the triangle a right triangle.
A.8
B.16
C.18
D.23

Answer: B.16
Step-by-step explanation:
using pythagoras
[tex]20^{2} = x^{2} + 12^{2}[/tex]
400 = [tex]x^{2}[/tex] + 144
[tex]x^{2}[/tex] = 256
x = 16 and -16
please give me a brainliest answer.