Where the rest of the question?
179 / 9 is about 20
exact = 19.888888
Answer:
x=12
Step-by-step explanation:
tangent forms 90° with the touch point at circle
(x+8)^2 = 256+x^2
x^2 + 16x + 64 = 256 + x^2
16x = 192
x= 12
The radius is half the diameter. So the diameter is 14.
