2. What is the radius of Circle C?

Answer:
The radius is 5
Step-by-step explanation:
Make a jank Pythagorean theorem and then simplify
12^2 + x^2 = (x+8)^2
144+ x^2 = (x+8)^2
144 + x^2 = x^2 +16x +64
80 = 16x
x= 5