Answer:
X=10
Step-by-step explanation:
AB=BC therefore BC=6
You then solve for the hypotenuse as you create a triangle using sides DC.
a^2 + b^2 = c^2
8^2 + 6^2 = c^2
100=c^2
c=10
DC is the hypotenuse
therefore DC=10
DC is the same length as X so the answer is 10
