Well if it is touching the x-axis, the radius is 3 units.
C = 2 * pi * r = (2)(3.14)(3) = 18.8 or so
Answer:
Exact answer is 0.00076232
Step-by-step explanation:
i can give give u a website that does this, if u want
The answer is 2.
This is because the line crosses the x axis in 2 different places.
Hope this helps!