Amy and fraser walk inside a circular lawn. point b is the center of the lawn, as shown below: (view picture)
amy walks from point a to point b along the segment ab. fraser walks from point a to point c along the segment ac. which statement is correct?

a. amy walks a distance equal to the diameter, and fraser walks a distance equal to the radius of the lawn.

b. both amy and fraser walk distances equal to the radius of the lawn.

c. both amy and fraser walk distances equal to the diameter of the lawn.

d. amy walks a distance equal to the radius, and fraser walks a distance equal to the diameter of the lawn.