Answer:
10
Step-by-step explanation:
This is a right triangle. To find the hypotenuse in this right triangle, we can use the pythagorean theorem.
The Pythagorean Theorem states a^2+b^2=c^2.
In this case, we would plug this in and get 6^2+8^2=x^2
Solve, and get 100=x^2, x=10
