What is the value of x???

Answer:
X = 6.
Step-by-step explanation:
Use pythagorean theorem to get:
10^2 = 8^2 + b^2
100 = 64 + b^2
36 = b^2
b = 6
Answer:
it must be six its the only thing that seems right to me
Step-by-step explanation:
it should be A squared + B squared = C squared but i just seen somewhere else same exact question with this answer try 6