Question

If the circumference of circle X is 12π and the circumference of circle Z is 6π , then what is the scale factor from X to Z ?(1 point)
Responses

1:3
ratio of 1 to 3

1:2
ratio of 1 to 2

3:1
ratio of 3 to 1

2:1

Answer 1

2:1
ratio of 2 to 1